205328450

素因数分解:

$2^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{57839}}^1$

素因数の和:57922

約数の個数: 24

約数和(自身を含む): 387296640

約数和(自身を除く): 181968190

約数列:

[1, 2, 5, 10, 25, 50, 71, 142, 355, 710, 1775, 3550, 57839, 115678, 289195, 578390, 1445975, 2891950, 4106569, 8213138, 20532845, 41065690, 102664225, 205328450]

約数ペア:

[(1, 205328450), (2, 102664225), (5, 41065690), (10, 20532845), (25, 8213138), (50, 4106569), (71, 2891950), (142, 1445975), (355, 578390), (710, 289195), (1775, 115678), (3550, 57839)]