834639940

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{187139}}^1$

素因数の和:187371

約数の個数: 24

約数和(自身を含む): 1760613120

約数和(自身を除く): 925973180

約数列:

[1, 2, 4, 5, 10, 20, 223, 446, 892, 1115, 2230, 4460, 187139, 374278, 748556, 935695, 1871390, 3742780, 41731997, 83463994, 166927988, 208659985, 417319970, 834639940]

約数ペア:

[(1, 834639940), (2, 417319970), (4, 208659985), (5, 166927988), (10, 83463994), (20, 41731997), (223, 3742780), (446, 1871390), (892, 935695), (1115, 748556), (2230, 374278), (4460, 187139)]