128980940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{586277}}^1$

素因数の和:586297

約数の個数: 24

約数和(自身を含む): 295484112

約数和(自身を除く): 166503172

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 586277, 1172554, 2345108, 2931385, 5862770, 6449047, 11725540, 12898094, 25796188, 32245235, 64490470, 128980940]

約数ペア:

[(1, 128980940), (2, 64490470), (4, 32245235), (5, 25796188), (10, 12898094), (11, 11725540), (20, 6449047), (22, 5862770), (44, 2931385), (55, 2345108), (110, 1172554), (220, 586277)]