98738020

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{28537}}^1$

素因数の和:28719

約数の個数: 24

約数和(自身を含む): 208555704

約数和(自身を除く): 109817684

約数列:

[1, 2, 4, 5, 10, 20, 173, 346, 692, 865, 1730, 3460, 28537, 57074, 114148, 142685, 285370, 570740, 4936901, 9873802, 19747604, 24684505, 49369010, 98738020]

約数ペア:

[(1, 98738020), (2, 49369010), (4, 24684505), (5, 19747604), (10, 9873802), (20, 4936901), (173, 570740), (346, 285370), (692, 142685), (865, 114148), (1730, 57074), (3460, 28537)]