1904266760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{139609}}^1$

素因数の和:139662

約数の個数: 64

約数和(自身を含む): 4824921600

約数和(自身を除く): 2920654840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 124, 155, 220, 248, 310, 341, 440, 620, 682, 1240, 1364, 1705, 2728, 3410, 6820, 13640, 139609, 279218, 558436, 698045, 1116872, 1396090, 1535699, 2792180, 3071398, 4327879, 5584360, 6142796, 7678495, 8655758, 12285592, 15356990, 17311516, 21639395, 30713980, 34623032, 43278790, 47606669, 61427960, 86557580, 95213338, 173115160, 190426676, 238033345, 380853352, 476066690, 952133380, 1904266760]

約数ペア:

[(1, 1904266760), (2, 952133380), (4, 476066690), (5, 380853352), (8, 238033345), (10, 190426676), (11, 173115160), (20, 95213338), (22, 86557580), (31, 61427960), (40, 47606669), (44, 43278790), (55, 34623032), (62, 30713980), (88, 21639395), (110, 17311516), (124, 15356990), (155, 12285592), (220, 8655758), (248, 7678495), (310, 6142796), (341, 5584360), (440, 4327879), (620, 3071398), (682, 2792180), (1240, 1535699), (1364, 1396090), (1705, 1116872), (2728, 698045), (3410, 558436), (6820, 279218), (13640, 139609)]