About the Number

212381612820

212381612819 ← → 212381612821

2進数表記:11000101110010111011100011101100010100

漢数字表記:二千百二十三億八千百六十一万二千八百二十

素因数分解:

2 2 × 3 4 × 5 1 × 13 1 × 983 1 × 10259 1

素因数の和:11276
約数の個数: 240
約数和(自身を含む): 718298824320
約数和(自身を除く): 505917211500

約数列:
[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 81, 90, 108, 117, 130, 135, 156, 162, 180, 195, 234, 260, 270, 324, 351, 390, 405, 468, 540, 585, 702, 780, 810, 983, 1053, 1170, 1404, 1620, 1755, 1966, 2106, 2340, 2949, 3510, 3932, 4212, 4915, 5265, 5898, 7020, 8847, 9830, 10259, 10530, 11796, 12779, 14745, 17694, 19660, 20518, 21060, 25558, 26541, 29490, 30777, 35388, 38337, 41036, 44235, 51116, 51295, 53082, 58980, 61554, 63895, 76674, 79623, 88470, 92331, 102590, 106164, 115011, 123108, 127790, 132705, 133367, 153348, 153885, 159246, 176940, 184662, 191685, 205180, 230022, 255580, 265410, 266734, 276993, 307770, 318492, 345033, 369324, 383370, 398115, 400101, 460044, 461655, 530820, 533468, 553986, 575055, 615540, 666835, 690066, 766740, 796230, 800202, 830979, 923310, 1035099, 1107972, 1150110, 1200303, 1333670, 1380132, 1384965, 1592460, 1600404, 1661958, 1725165, 1846620, 2000505, 2070198, 2300220, 2400606, 2667340, 2769930, 3323916, 3450330, 3600909, 4001010, 4140396, 4154895, 4801212, 5175495, 5539860, 6001515, 6900660, 7201818, 8002020, 8309790, 10084597, 10350990, 10802727, 12003030, 14403636, 16619580, 18004545, 20169194, 20701980, 21605454, 24006060, 30253791, 36009090, 40338388, 43210908, 50422985, 54013635, 60507582, 72018180, 90761373, 100845970, 108027270, 121015164, 131099761, 151268955, 181522746, 201691940, 216054540, 262199522, 272284119, 302537910, 363045492, 393299283, 453806865, 524399044, 544568238, 605075820, 655498805, 786598566, 816852357, 907613730, 1089136476, 1179897849, 1310997610, 1361420595, 1573197132, 1633704714, 1815227460, 1966496415, 2359795698, 2621995220, 2722841190, 3267409428, 3539693547, 3932992830, 4084261785, 4719591396, 5445682380, 5899489245, 7079387094, 7865985660, 8168523570, 10619080641, 11798978490, 14158774188, 16337047140, 17698467735, 21238161282, 23597956980, 35396935470, 42476322564, 53095403205, 70793870940, 106190806410, 212381612820]

約数ペア:
[(1, 212381612820), (2, 106190806410), (3, 70793870940), (4, 53095403205), (5, 42476322564), (6, 35396935470), (9, 23597956980), (10, 21238161282), (12, 17698467735), (13, 16337047140), (15, 14158774188), (18, 11798978490), (20, 10619080641), (26, 8168523570), (27, 7865985660), (30, 7079387094), (36, 5899489245), (39, 5445682380), (45, 4719591396), (52, 4084261785), (54, 3932992830), (60, 3539693547), (65, 3267409428), (78, 2722841190), (81, 2621995220), (90, 2359795698), (108, 1966496415), (117, 1815227460), (130, 1633704714), (135, 1573197132), (156, 1361420595), (162, 1310997610), (180, 1179897849), (195, 1089136476), (234, 907613730), (260, 816852357), (270, 786598566), (324, 655498805), (351, 605075820), (390, 544568238), (405, 524399044), (468, 453806865), (540, 393299283), (585, 363045492), (702, 302537910), (780, 272284119), (810, 262199522), (983, 216054540), (1053, 201691940), (1170, 181522746), (1404, 151268955), (1620, 131099761), (1755, 121015164), (1966, 108027270), (2106, 100845970), (2340, 90761373), (2949, 72018180), (3510, 60507582), (3932, 54013635), (4212, 50422985), (4915, 43210908), (5265, 40338388), (5898, 36009090), (7020, 30253791), (8847, 24006060), (9830, 21605454), (10259, 20701980), (10530, 20169194), (11796, 18004545), (12779, 16619580), (14745, 14403636), (17694, 12003030), (19660, 10802727), (20518, 10350990), (21060, 10084597), (25558, 8309790), (26541, 8002020), (29490, 7201818), (30777, 6900660), (35388, 6001515), (38337, 5539860), (41036, 5175495), (44235, 4801212), (51116, 4154895), (51295, 4140396), (53082, 4001010), (58980, 3600909), (61554, 3450330), (63895, 3323916), (76674, 2769930), (79623, 2667340), (88470, 2400606), (92331, 2300220), (102590, 2070198), (106164, 2000505), (115011, 1846620), (123108, 1725165), (127790, 1661958), (132705, 1600404), (133367, 1592460), (153348, 1384965), (153885, 1380132), (159246, 1333670), (176940, 1200303), (184662, 1150110), (191685, 1107972), (205180, 1035099), (230022, 923310), (255580, 830979), (265410, 800202), (266734, 796230), (276993, 766740), (307770, 690066), (318492, 666835), (345033, 615540), (369324, 575055), (383370, 553986), (398115, 533468), (400101, 530820), (460044, 461655)]

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