133737620

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{109621}}^1$

素因数の和:109691

約数の個数: 24

約数和(自身を含む): 285455688

約数和(自身を除く): 151718068

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 109621, 219242, 438484, 548105, 1096210, 2192420, 6686881, 13373762, 26747524, 33434405, 66868810, 133737620]

約数ペア:

[(1, 133737620), (2, 66868810), (4, 33434405), (5, 26747524), (10, 13373762), (20, 6686881), (61, 2192420), (122, 1096210), (244, 548105), (305, 438484), (610, 219242), (1220, 109621)]