123228220

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{29201}}^1$

素因数の和:29421

約数の個数: 24

約数和(自身を含む): 260014608

約数和(自身を除く): 136786388

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 844, 1055, 2110, 4220, 29201, 58402, 116804, 146005, 292010, 584020, 6161411, 12322822, 24645644, 30807055, 61614110, 123228220]

約数ペア:

[(1, 123228220), (2, 61614110), (4, 30807055), (5, 24645644), (10, 12322822), (20, 6161411), (211, 584020), (422, 292010), (844, 146005), (1055, 116804), (2110, 58402), (4220, 29201)]