219909910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{677}}^1\times {\mathrm{2953}}^1$

素因数の和:3648

約数の個数: 32

約数和(自身を含む): 432607392

約数和(自身を除く): 212697482

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 677, 1354, 2953, 3385, 5906, 6770, 7447, 14765, 14894, 29530, 32483, 37235, 64966, 74470, 162415, 324830, 1999181, 3998362, 9995905, 19991810, 21990991, 43981982, 109954955, 219909910]

約数ペア:

[(1, 219909910), (2, 109954955), (5, 43981982), (10, 21990991), (11, 19991810), (22, 9995905), (55, 3998362), (110, 1999181), (677, 324830), (1354, 162415), (2953, 74470), (3385, 64966), (5906, 37235), (6770, 32483), (7447, 29530), (14765, 14894)]