42910780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{195049}}^1$

素因数の和:195069

約数の個数: 24

約数和(自身を含む): 98305200

約数和(自身を除く): 55394420

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 195049, 390098, 780196, 975245, 1950490, 2145539, 3900980, 4291078, 8582156, 10727695, 21455390, 42910780]

約数ペア:

[(1, 42910780), (2, 21455390), (4, 10727695), (5, 8582156), (10, 4291078), (11, 3900980), (20, 2145539), (22, 1950490), (44, 975245), (55, 780196), (110, 390098), (220, 195049)]