489963980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2227109}}^1$

素因数の和:2227129

約数の個数: 24

約数和(自身を含む): 1122463440

約数和(自身を除く): 632499460

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 2227109, 4454218, 8908436, 11135545, 22271090, 24498199, 44542180, 48996398, 97992796, 122490995, 244981990, 489963980]

約数ペア:

[(1, 489963980), (2, 244981990), (4, 122490995), (5, 97992796), (10, 48996398), (11, 44542180), (20, 24498199), (22, 22271090), (44, 11135545), (55, 8908436), (110, 4454218), (220, 2227109)]