75070220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{121081}}^1$

素因数の和:121121

約数の個数: 24

約数和(自身を含む): 162734208

約数和(自身を除く): 87663988

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 121081, 242162, 484324, 605405, 1210810, 2421620, 3753511, 7507022, 15014044, 18767555, 37535110, 75070220]

約数ペア:

[(1, 75070220), (2, 37535110), (4, 18767555), (5, 15014044), (10, 7507022), (20, 3753511), (31, 2421620), (62, 1210810), (124, 605405), (155, 484324), (310, 242162), (620, 121081)]