49790980

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{157}}^2$

素因数の和:424

約数の個数: 36

約数和(自身を含む): 106273188

約数和(自身を除く): 56482208

約数列:

[1, 2, 4, 5, 10, 20, 101, 157, 202, 314, 404, 505, 628, 785, 1010, 1570, 2020, 3140, 15857, 24649, 31714, 49298, 63428, 79285, 98596, 123245, 158570, 246490, 317140, 492980, 2489549, 4979098, 9958196, 12447745, 24895490, 49790980]

約数ペア:

[(1, 49790980), (2, 24895490), (4, 12447745), (5, 9958196), (10, 4979098), (20, 2489549), (101, 492980), (157, 317140), (202, 246490), (314, 158570), (404, 123245), (505, 98596), (628, 79285), (785, 63428), (1010, 49298), (1570, 31714), (2020, 24649), (3140, 15857)]