404367050

素因数分解:

$2^1\times 5^2\times {\mathrm{89}}^2\times {\mathrm{1021}}^1$

素因数の和:1211

約数の個数: 36

約数和(自身を含む): 761413506

約数和(自身を除く): 357046456

約数列:

[1, 2, 5, 10, 25, 50, 89, 178, 445, 890, 1021, 2042, 2225, 4450, 5105, 7921, 10210, 15842, 25525, 39605, 51050, 79210, 90869, 181738, 198025, 396050, 454345, 908690, 2271725, 4543450, 8087341, 16174682, 40436705, 80873410, 202183525, 404367050]

約数ペア:

[(1, 404367050), (2, 202183525), (5, 80873410), (10, 40436705), (25, 16174682), (50, 8087341), (89, 4543450), (178, 2271725), (445, 908690), (890, 454345), (1021, 396050), (2042, 198025), (2225, 181738), (4450, 90869), (5105, 79210), (7921, 51050), (10210, 39605), (15842, 25525)]