157213250

素因数分解:

$2^1\times 5^3\times {\mathrm{557}}^1\times {\mathrm{1129}}^1$

素因数の和:1703

約数の個数: 32

約数和(自身を含む): 295092720

約数和(自身を除く): 137879470

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 557, 1114, 1129, 2258, 2785, 5570, 5645, 11290, 13925, 27850, 28225, 56450, 69625, 139250, 141125, 282250, 628853, 1257706, 3144265, 6288530, 15721325, 31442650, 78606625, 157213250]

約数ペア:

[(1, 157213250), (2, 78606625), (5, 31442650), (10, 15721325), (25, 6288530), (50, 3144265), (125, 1257706), (250, 628853), (557, 282250), (1114, 141125), (1129, 139250), (2258, 69625), (2785, 56450), (5570, 28225), (5645, 27850), (11290, 13925)]