About the Number

2102987040

2102987039 ← → 2102987041

2進数表記:1111101010110010000100100100000

漢数字表記:二十一億二百九十八万七千四十

素因数分解:

2 5 × 3 1 × 5 1 × 7 1 × 11 1 × 17 1 × 3347 1

素因数の和:3400
約数の個数: 384
約数和(自身を含む): 8747440128
約数和(自身を除く): 6644453088

約数列:
[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 17, 20, 21, 22, 24, 28, 30, 32, 33, 34, 35, 40, 42, 44, 48, 51, 55, 56, 60, 66, 68, 70, 77, 80, 84, 85, 88, 96, 102, 105, 110, 112, 119, 120, 132, 136, 140, 154, 160, 165, 168, 170, 176, 187, 204, 210, 220, 224, 231, 238, 240, 255, 264, 272, 280, 308, 330, 336, 340, 352, 357, 374, 385, 408, 420, 440, 462, 476, 480, 510, 528, 544, 560, 561, 595, 616, 660, 672, 680, 714, 748, 770, 816, 840, 880, 924, 935, 952, 1020, 1056, 1120, 1122, 1155, 1190, 1232, 1309, 1320, 1360, 1428, 1496, 1540, 1632, 1680, 1760, 1785, 1848, 1870, 1904, 2040, 2244, 2310, 2380, 2464, 2618, 2640, 2720, 2805, 2856, 2992, 3080, 3347, 3360, 3570, 3696, 3740, 3808, 3927, 4080, 4488, 4620, 4760, 5236, 5280, 5610, 5712, 5984, 6160, 6545, 6694, 7140, 7392, 7480, 7854, 8160, 8976, 9240, 9520, 10041, 10472, 11220, 11424, 12320, 13090, 13388, 14280, 14960, 15708, 16735, 17952, 18480, 19040, 19635, 20082, 20944, 22440, 23429, 26180, 26776, 28560, 29920, 31416, 33470, 36817, 36960, 39270, 40164, 41888, 44880, 46858, 50205, 52360, 53552, 56899, 57120, 62832, 66940, 70287, 73634, 78540, 80328, 89760, 93716, 100410, 104720, 107104, 110451, 113798, 117145, 125664, 133880, 140574, 147268, 157080, 160656, 170697, 184085, 187432, 200820, 209440, 220902, 227596, 234290, 257719, 267760, 281148, 284495, 294536, 314160, 321312, 341394, 351435, 368170, 374864, 398293, 401640, 441804, 455192, 468580, 515438, 535520, 552255, 562296, 568990, 589072, 625889, 628320, 682788, 702870, 736340, 749728, 773157, 796586, 803280, 853485, 883608, 910384, 937160, 1030876, 1104510, 1124592, 1137980, 1178144, 1194879, 1251778, 1288595, 1365576, 1405740, 1472680, 1546314, 1593172, 1606560, 1706970, 1767216, 1820768, 1874320, 1877667, 1991465, 2061752, 2209020, 2249184, 2275960, 2389758, 2503556, 2577190, 2731152, 2811480, 2945360, 3092628, 3129445, 3186344, 3413940, 3534432, 3748640, 3755334, 3865785, 3982930, 4123504, 4381223, 4418040, 4551920, 4779516, 5007112, 5154380, 5462304, 5622960, 5890720, 5974395, 6185256, 6258890, 6372688, 6827880, 7510668, 7731570, 7965860, 8247008, 8762446, 8836080, 9103840, 9388335, 9559032, 10014224, 10308760, 11245920, 11948790, 12370512, 12517780, 12745376, 13143669, 13655760, 15021336, 15463140, 15931720, 17524892, 17672160, 18776670, 19118064, 20028448, 20617520, 21906115, 23897580, 24741024, 25035560, 26287338, 27311520, 30042672, 30926280, 31863440, 35049784, 37553340, 38236128, 41235040, 43812230, 47795160, 50071120, 52574676, 60085344, 61852560, 63726880, 65718345, 70099568, 75106680, 87624460, 95590320, 100142240, 105149352, 123705120, 131436690, 140199136, 150213360, 175248920, 191180640, 210298704, 262873380, 300426720, 350497840, 420597408, 525746760, 700995680, 1051493520, 2102987040]

約数ペア:
[(1, 2102987040), (2, 1051493520), (3, 700995680), (4, 525746760), (5, 420597408), (6, 350497840), (7, 300426720), (8, 262873380), (10, 210298704), (11, 191180640), (12, 175248920), (14, 150213360), (15, 140199136), (16, 131436690), (17, 123705120), (20, 105149352), (21, 100142240), (22, 95590320), (24, 87624460), (28, 75106680), (30, 70099568), (32, 65718345), (33, 63726880), (34, 61852560), (35, 60085344), (40, 52574676), (42, 50071120), (44, 47795160), (48, 43812230), (51, 41235040), (55, 38236128), (56, 37553340), (60, 35049784), (66, 31863440), (68, 30926280), (70, 30042672), (77, 27311520), (80, 26287338), (84, 25035560), (85, 24741024), (88, 23897580), (96, 21906115), (102, 20617520), (105, 20028448), (110, 19118064), (112, 18776670), (119, 17672160), (120, 17524892), (132, 15931720), (136, 15463140), (140, 15021336), (154, 13655760), (160, 13143669), (165, 12745376), (168, 12517780), (170, 12370512), (176, 11948790), (187, 11245920), (204, 10308760), (210, 10014224), (220, 9559032), (224, 9388335), (231, 9103840), (238, 8836080), (240, 8762446), (255, 8247008), (264, 7965860), (272, 7731570), (280, 7510668), (308, 6827880), (330, 6372688), (336, 6258890), (340, 6185256), (352, 5974395), (357, 5890720), (374, 5622960), (385, 5462304), (408, 5154380), (420, 5007112), (440, 4779516), (462, 4551920), (476, 4418040), (480, 4381223), (510, 4123504), (528, 3982930), (544, 3865785), (560, 3755334), (561, 3748640), (595, 3534432), (616, 3413940), (660, 3186344), (672, 3129445), (680, 3092628), (714, 2945360), (748, 2811480), (770, 2731152), (816, 2577190), (840, 2503556), (880, 2389758), (924, 2275960), (935, 2249184), (952, 2209020), (1020, 2061752), (1056, 1991465), (1120, 1877667), (1122, 1874320), (1155, 1820768), (1190, 1767216), (1232, 1706970), (1309, 1606560), (1320, 1593172), (1360, 1546314), (1428, 1472680), (1496, 1405740), (1540, 1365576), (1632, 1288595), (1680, 1251778), (1760, 1194879), (1785, 1178144), (1848, 1137980), (1870, 1124592), (1904, 1104510), (2040, 1030876), (2244, 937160), (2310, 910384), (2380, 883608), (2464, 853485), (2618, 803280), (2640, 796586), (2720, 773157), (2805, 749728), (2856, 736340), (2992, 702870), (3080, 682788), (3347, 628320), (3360, 625889), (3570, 589072), (3696, 568990), (3740, 562296), (3808, 552255), (3927, 535520), (4080, 515438), (4488, 468580), (4620, 455192), (4760, 441804), (5236, 401640), (5280, 398293), (5610, 374864), (5712, 368170), (5984, 351435), (6160, 341394), (6545, 321312), (6694, 314160), (7140, 294536), (7392, 284495), (7480, 281148), (7854, 267760), (8160, 257719), (8976, 234290), (9240, 227596), (9520, 220902), (10041, 209440), (10472, 200820), (11220, 187432), (11424, 184085), (12320, 170697), (13090, 160656), (13388, 157080), (14280, 147268), (14960, 140574), (15708, 133880), (16735, 125664), (17952, 117145), (18480, 113798), (19040, 110451), (19635, 107104), (20082, 104720), (20944, 100410), (22440, 93716), (23429, 89760), (26180, 80328), (26776, 78540), (28560, 73634), (29920, 70287), (31416, 66940), (33470, 62832), (36817, 57120), (36960, 56899), (39270, 53552), (40164, 52360), (41888, 50205), (44880, 46858)]

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