1723876840

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1$

素因数の和:457

約数の個数: 256

約数和(自身を含む): 5054400000

約数和(自身を除く): 3330523160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 19, 20, 28, 34, 35, 38, 40, 49, 56, 68, 70, 76, 85, 95, 98, 119, 133, 136, 140, 152, 170, 190, 196, 238, 245, 266, 280, 323, 340, 343, 380, 389, 392, 476, 490, 532, 595, 646, 665, 680, 686, 760, 778, 833, 931, 952, 980, 1064, 1190, 1292, 1330, 1372, 1556, 1615, 1666, 1715, 1862, 1945, 1960, 2261, 2380, 2584, 2660, 2723, 2744, 3112, 3230, 3332, 3430, 3724, 3890, 4165, 4522, 4655, 4760, 5320, 5446, 5831, 6460, 6517, 6613, 6664, 6860, 7391, 7448, 7780, 8330, 9044, 9310, 10892, 11305, 11662, 12920, 13034, 13226, 13615, 13720, 14782, 15560, 15827, 16660, 18088, 18620, 19061, 21784, 22610, 23324, 26068, 26452, 27230, 29155, 29564, 31654, 32585, 33065, 33320, 36955, 37240, 38122, 45220, 46291, 46648, 51737, 52136, 52904, 54460, 58310, 59128, 63308, 65170, 66130, 73910, 76244, 79135, 90440, 92582, 95305, 103474, 108920, 110789, 116620, 125647, 126616, 130340, 132260, 133427, 147820, 152488, 158270, 185164, 190610, 206948, 221578, 231455, 233240, 251294, 258685, 260680, 264520, 266854, 295640, 316540, 324037, 362159, 370328, 381220, 413896, 443156, 462910, 502588, 517370, 533708, 553945, 628235, 633080, 648074, 667135, 724318, 762440, 879529, 886312, 925820, 1005176, 1034740, 1067416, 1107890, 1256470, 1296148, 1334270, 1448636, 1620185, 1759058, 1810795, 1851640, 2069480, 2215780, 2268259, 2512940, 2535113, 2592296, 2668540, 2897272, 3240370, 3518116, 3621590, 4397645, 4431560, 4536518, 5025880, 5070226, 5337080, 6156703, 6480740, 7036232, 7243180, 8795290, 9073036, 10140452, 11341295, 12313406, 12675565, 12961480, 14486360, 17590580, 18146072, 20280904, 22682590, 24626812, 25351130, 30783515, 35181160, 43096921, 45365180, 49253624, 50702260, 61567030, 86193842, 90730360, 101404520, 123134060, 172387684, 215484605, 246268120, 344775368, 430969210, 861938420, 1723876840]

約数ペア:

[(1, 1723876840), (2, 861938420), (4, 430969210), (5, 344775368), (7, 246268120), (8, 215484605), (10, 172387684), (14, 123134060), (17, 101404520), (19, 90730360), (20, 86193842), (28, 61567030), (34, 50702260), (35, 49253624), (38, 45365180), (40, 43096921), (49, 35181160), (56, 30783515), (68, 25351130), (70, 24626812), (76, 22682590), (85, 20280904), (95, 18146072), (98, 17590580), (119, 14486360), (133, 12961480), (136, 12675565), (140, 12313406), (152, 11341295), (170, 10140452), (190, 9073036), (196, 8795290), (238, 7243180), (245, 7036232), (266, 6480740), (280, 6156703), (323, 5337080), (340, 5070226), (343, 5025880), (380, 4536518), (389, 4431560), (392, 4397645), (476, 3621590), (490, 3518116), (532, 3240370), (595, 2897272), (646, 2668540), (665, 2592296), (680, 2535113), (686, 2512940), (760, 2268259), (778, 2215780), (833, 2069480), (931, 1851640), (952, 1810795), (980, 1759058), (1064, 1620185), (1190, 1448636), (1292, 1334270), (1330, 1296148), (1372, 1256470), (1556, 1107890), (1615, 1067416), (1666, 1034740), (1715, 1005176), (1862, 925820), (1945, 886312), (1960, 879529), (2261, 762440), (2380, 724318), (2584, 667135), (2660, 648074), (2723, 633080), (2744, 628235), (3112, 553945), (3230, 533708), (3332, 517370), (3430, 502588), (3724, 462910), (3890, 443156), (4165, 413896), (4522, 381220), (4655, 370328), (4760, 362159), (5320, 324037), (5446, 316540), (5831, 295640), (6460, 266854), (6517, 264520), (6613, 260680), (6664, 258685), (6860, 251294), (7391, 233240), (7448, 231455), (7780, 221578), (8330, 206948), (9044, 190610), (9310, 185164), (10892, 158270), (11305, 152488), (11662, 147820), (12920, 133427), (13034, 132260), (13226, 130340), (13615, 126616), (13720, 125647), (14782, 116620), (15560, 110789), (15827, 108920), (16660, 103474), (18088, 95305), (18620, 92582), (19061, 90440), (21784, 79135), (22610, 76244), (23324, 73910), (26068, 66130), (26452, 65170), (27230, 63308), (29155, 59128), (29564, 58310), (31654, 54460), (32585, 52904), (33065, 52136), (33320, 51737), (36955, 46648), (37240, 46291), (38122, 45220)]