156988220

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{37201}}^1$

素因数の和:37421

約数の個数: 24

約数和(自身を含む): 331246608

約数和(自身を除く): 174258388

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 844, 1055, 2110, 4220, 37201, 74402, 148804, 186005, 372010, 744020, 7849411, 15698822, 31397644, 39247055, 78494110, 156988220]

約数ペア:

[(1, 156988220), (2, 78494110), (4, 39247055), (5, 31397644), (10, 15698822), (20, 7849411), (211, 744020), (422, 372010), (844, 186005), (1055, 148804), (2110, 74402), (4220, 37201)]