278565547480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{739}}^1\times {\mathrm{856703}}^1$

素因数の和:857464

約数の個数: 64

約数和(自身を含む): 684677836800

約数和(自身を除く): 406112289320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 739, 1478, 2956, 3695, 5912, 7390, 8129, 14780, 16258, 29560, 32516, 40645, 65032, 81290, 162580, 325160, 856703, 1713406, 3426812, 4283515, 6853624, 8567030, 9423733, 17134060, 18847466, 34268120, 37694932, 47118665, 75389864, 94237330, 188474660, 376949320, 633103517, 1266207034, 2532414068, 3165517585, 5064828136, 6331035170, 6964138687, 12662070340, 13928277374, 25324140680, 27856554748, 34820693435, 55713109496, 69641386870, 139282773740, 278565547480]

約数ペア:

[(1, 278565547480), (2, 139282773740), (4, 69641386870), (5, 55713109496), (8, 34820693435), (10, 27856554748), (11, 25324140680), (20, 13928277374), (22, 12662070340), (40, 6964138687), (44, 6331035170), (55, 5064828136), (88, 3165517585), (110, 2532414068), (220, 1266207034), (440, 633103517), (739, 376949320), (1478, 188474660), (2956, 94237330), (3695, 75389864), (5912, 47118665), (7390, 37694932), (8129, 34268120), (14780, 18847466), (16258, 17134060), (29560, 9423733), (32516, 8567030), (40645, 6853624), (65032, 4283515), (81290, 3426812), (162580, 1713406), (325160, 856703)]