268556420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1220711}}^1$

素因数の和:1220731

約数の個数: 24

約数和(自身を含む): 615238848

約数和(自身を除く): 346682428

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1220711, 2441422, 4882844, 6103555, 12207110, 13427821, 24414220, 26855642, 53711284, 67139105, 134278210, 268556420]

約数ペア:

[(1, 268556420), (2, 134278210), (4, 67139105), (5, 53711284), (10, 26855642), (11, 24414220), (20, 13427821), (22, 12207110), (44, 6103555), (55, 4882844), (110, 2441422), (220, 1220711)]