4992517212640

素因数分解:

$2^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1999}}^1\times {\mathrm{219851}}^1$

素因数の和:221936

約数の個数: 96

約数和(自身を含む): 11966984064000

約数和(自身を除く): 6974466851360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 71, 80, 142, 160, 284, 355, 568, 710, 1136, 1420, 1999, 2272, 2840, 3998, 5680, 7996, 9995, 11360, 15992, 19990, 31984, 39980, 63968, 79960, 141929, 159920, 219851, 283858, 319840, 439702, 567716, 709645, 879404, 1099255, 1135432, 1419290, 1758808, 2198510, 2270864, 2838580, 3517616, 4397020, 4541728, 5677160, 7035232, 8794040, 11354320, 15609421, 17588080, 22708640, 31218842, 35176160, 62437684, 78047105, 124875368, 156094210, 249750736, 312188420, 439482149, 499501472, 624376840, 878964298, 1248753680, 1757928596, 2197410745, 2497507360, 3515857192, 4394821490, 7031714384, 8789642980, 14063428768, 17579285960, 31203232579, 35158571920, 62406465158, 70317143840, 124812930316, 156016162895, 249625860632, 312032325790, 499251721264, 624064651580, 998503442528, 1248129303160, 2496258606320, 4992517212640]

約数ペア:

[(1, 4992517212640), (2, 2496258606320), (4, 1248129303160), (5, 998503442528), (8, 624064651580), (10, 499251721264), (16, 312032325790), (20, 249625860632), (32, 156016162895), (40, 124812930316), (71, 70317143840), (80, 62406465158), (142, 35158571920), (160, 31203232579), (284, 17579285960), (355, 14063428768), (568, 8789642980), (710, 7031714384), (1136, 4394821490), (1420, 3515857192), (1999, 2497507360), (2272, 2197410745), (2840, 1757928596), (3998, 1248753680), (5680, 878964298), (7996, 624376840), (9995, 499501472), (11360, 439482149), (15992, 312188420), (19990, 249750736), (31984, 156094210), (39980, 124875368), (63968, 78047105), (79960, 62437684), (141929, 35176160), (159920, 31218842), (219851, 22708640), (283858, 17588080), (319840, 15609421), (439702, 11354320), (567716, 8794040), (709645, 7035232), (879404, 5677160), (1099255, 4541728), (1135432, 4397020), (1419290, 3517616), (1758808, 2838580), (2198510, 2270864)]