888942340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{310819}}^1$

素因数の和:310852

約数の個数: 48

約数和(自身を含む): 2193145920

約数和(自身を除く): 1304203580

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 310819, 621638, 1243276, 1554095, 3108190, 3419009, 4040647, 6216380, 6838018, 8081294, 13676036, 16162588, 17095045, 20203235, 34190090, 40406470, 44447117, 68380180, 80812940, 88894234, 177788468, 222235585, 444471170, 888942340]

約数ペア:

[(1, 888942340), (2, 444471170), (4, 222235585), (5, 177788468), (10, 88894234), (11, 80812940), (13, 68380180), (20, 44447117), (22, 40406470), (26, 34190090), (44, 20203235), (52, 17095045), (55, 16162588), (65, 13676036), (110, 8081294), (130, 6838018), (143, 6216380), (220, 4040647), (260, 3419009), (286, 3108190), (572, 1554095), (715, 1243276), (1430, 621638), (2860, 310819)]