2688405940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{330271}}^1$

素因数の和:330328

約数の個数: 48

約数和(自身を含む): 6325369344

約数和(自身を除く): 3636963404

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 110, 148, 185, 220, 370, 407, 740, 814, 1628, 2035, 4070, 8140, 330271, 660542, 1321084, 1651355, 3302710, 3632981, 6605420, 7265962, 12220027, 14531924, 18164905, 24440054, 36329810, 48880108, 61100135, 72659620, 122200270, 134420297, 244400540, 268840594, 537681188, 672101485, 1344202970, 2688405940]

約数ペア:

[(1, 2688405940), (2, 1344202970), (4, 672101485), (5, 537681188), (10, 268840594), (11, 244400540), (20, 134420297), (22, 122200270), (37, 72659620), (44, 61100135), (55, 48880108), (74, 36329810), (110, 24440054), (148, 18164905), (185, 14531924), (220, 12220027), (370, 7265962), (407, 6605420), (740, 3632981), (814, 3302710), (1628, 1651355), (2035, 1321084), (4070, 660542), (8140, 330271)]