121570220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{196081}}^1$

素因数の和:196121

約数の個数: 24

約数和(自身を含む): 263534208

約数和(自身を除く): 141963988

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 196081, 392162, 784324, 980405, 1960810, 3921620, 6078511, 12157022, 24314044, 30392555, 60785110, 121570220]

約数ペア:

[(1, 121570220), (2, 60785110), (4, 30392555), (5, 24314044), (10, 12157022), (20, 6078511), (31, 3921620), (62, 1960810), (124, 980405), (155, 784324), (310, 392162), (620, 196081)]