8707187240

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{197}}^2$

素因数の和:555

約数の個数: 96

約数和(自身を含む): 20221228800

約数和(自身を除く): 11514041560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 79, 142, 158, 197, 284, 316, 355, 394, 395, 568, 632, 710, 788, 790, 985, 1420, 1576, 1580, 1970, 2840, 3160, 3940, 5609, 7880, 11218, 13987, 15563, 22436, 27974, 28045, 31126, 38809, 44872, 55948, 56090, 62252, 69935, 77618, 77815, 111896, 112180, 124504, 139870, 155236, 155630, 194045, 224360, 279740, 310472, 311260, 388090, 559480, 622520, 776180, 1104973, 1552360, 2209946, 2755439, 3065911, 4419892, 5510878, 5524865, 6131822, 8839784, 11021756, 11049730, 12263644, 13777195, 15329555, 22043512, 22099460, 24527288, 27554390, 30659110, 44198920, 55108780, 61318220, 110217560, 122636440, 217679681, 435359362, 870718724, 1088398405, 1741437448, 2176796810, 4353593620, 8707187240]

約数ペア:

[(1, 8707187240), (2, 4353593620), (4, 2176796810), (5, 1741437448), (8, 1088398405), (10, 870718724), (20, 435359362), (40, 217679681), (71, 122636440), (79, 110217560), (142, 61318220), (158, 55108780), (197, 44198920), (284, 30659110), (316, 27554390), (355, 24527288), (394, 22099460), (395, 22043512), (568, 15329555), (632, 13777195), (710, 12263644), (788, 11049730), (790, 11021756), (985, 8839784), (1420, 6131822), (1576, 5524865), (1580, 5510878), (1970, 4419892), (2840, 3065911), (3160, 2755439), (3940, 2209946), (5609, 1552360), (7880, 1104973), (11218, 776180), (13987, 622520), (15563, 559480), (22436, 388090), (27974, 311260), (28045, 310472), (31126, 279740), (38809, 224360), (44872, 194045), (55948, 155630), (56090, 155236), (62252, 139870), (69935, 124504), (77618, 112180), (77815, 111896)]