989673760

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{3271}}^1$

素因数の和:3378

約数の個数: 96

約数和(自身を含む): 2453842944

約数和(自身を除く): 1464169184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 61, 62, 80, 122, 124, 155, 160, 244, 248, 305, 310, 488, 496, 610, 620, 976, 992, 1220, 1240, 1891, 1952, 2440, 2480, 3271, 3782, 4880, 4960, 6542, 7564, 9455, 9760, 13084, 15128, 16355, 18910, 26168, 30256, 32710, 37820, 52336, 60512, 65420, 75640, 101401, 104672, 130840, 151280, 199531, 202802, 261680, 302560, 399062, 405604, 507005, 523360, 798124, 811208, 997655, 1014010, 1596248, 1622416, 1995310, 2028020, 3192496, 3244832, 3990620, 4056040, 6185461, 6384992, 7981240, 8112080, 12370922, 15962480, 16224160, 24741844, 30927305, 31924960, 49483688, 61854610, 98967376, 123709220, 197934752, 247418440, 494836880, 989673760]

約数ペア:

[(1, 989673760), (2, 494836880), (4, 247418440), (5, 197934752), (8, 123709220), (10, 98967376), (16, 61854610), (20, 49483688), (31, 31924960), (32, 30927305), (40, 24741844), (61, 16224160), (62, 15962480), (80, 12370922), (122, 8112080), (124, 7981240), (155, 6384992), (160, 6185461), (244, 4056040), (248, 3990620), (305, 3244832), (310, 3192496), (488, 2028020), (496, 1995310), (610, 1622416), (620, 1596248), (976, 1014010), (992, 997655), (1220, 811208), (1240, 798124), (1891, 523360), (1952, 507005), (2440, 405604), (2480, 399062), (3271, 302560), (3782, 261680), (4880, 202802), (4960, 199531), (6542, 151280), (7564, 130840), (9455, 104672), (9760, 101401), (13084, 75640), (15128, 65420), (16355, 60512), (18910, 52336), (26168, 37820), (30256, 32710)]