489968380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2227129}}^1$

素因数の和:2227149

約数の個数: 24

約数和(自身を含む): 1122473520

約数和(自身を除く): 632505140

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 2227129, 4454258, 8908516, 11135645, 22271290, 24498419, 44542580, 48996838, 97993676, 122492095, 244984190, 489968380]

約数ペア:

[(1, 489968380), (2, 244984190), (4, 122492095), (5, 97993676), (10, 48996838), (11, 44542580), (20, 24498419), (22, 22271290), (44, 11135645), (55, 8908516), (110, 4454258), (220, 2227129)]