221457550

素因数分解:

$2^1\times 5^2\times {\mathrm{197}}^1\times {\mathrm{22483}}^1$

素因数の和:22692

約数の個数: 24

約数和(自身を含む): 414020376

約数和(自身を除く): 192562826

約数列:

[1, 2, 5, 10, 25, 50, 197, 394, 985, 1970, 4925, 9850, 22483, 44966, 112415, 224830, 562075, 1124150, 4429151, 8858302, 22145755, 44291510, 110728775, 221457550]

約数ペア:

[(1, 221457550), (2, 110728775), (5, 44291510), (10, 22145755), (25, 8858302), (50, 4429151), (197, 1124150), (394, 562075), (985, 224830), (1970, 112415), (4925, 44966), (9850, 22483)]