221542250

素因数分解:

$2^1\times 5^3\times {\mathrm{509}}^1\times {\mathrm{1741}}^1$

素因数の和:2267

約数の個数: 32

約数和(自身を含む): 415780560

約数和(自身を除く): 194238310

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 509, 1018, 1741, 2545, 3482, 5090, 8705, 12725, 17410, 25450, 43525, 63625, 87050, 127250, 217625, 435250, 886169, 1772338, 4430845, 8861690, 22154225, 44308450, 110771125, 221542250]

約数ペア:

[(1, 221542250), (2, 110771125), (5, 44308450), (10, 22154225), (25, 8861690), (50, 4430845), (125, 1772338), (250, 886169), (509, 435250), (1018, 217625), (1741, 127250), (2545, 87050), (3482, 63625), (5090, 43525), (8705, 25450), (12725, 17410)]