121260220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{195581}}^1$

素因数の和:195621

約数の個数: 24

約数和(自身を含む): 262862208

約数和(自身を除く): 141601988

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 195581, 391162, 782324, 977905, 1955810, 3911620, 6063011, 12126022, 24252044, 30315055, 60630110, 121260220]

約数ペア:

[(1, 121260220), (2, 60630110), (4, 30315055), (5, 24252044), (10, 12126022), (20, 6063011), (31, 3911620), (62, 1955810), (124, 977905), (155, 782324), (310, 391162), (620, 195581)]