453140

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{163}}^1$

素因数の和:311

約数の個数: 24

約数和(自身を含む): 964320

約数和(自身を除く): 511180

約数列:

[1, 2, 4, 5, 10, 20, 139, 163, 278, 326, 556, 652, 695, 815, 1390, 1630, 2780, 3260, 22657, 45314, 90628, 113285, 226570, 453140]

約数ペア:

[(1, 453140), (2, 226570), (4, 113285), (5, 90628), (10, 45314), (20, 22657), (139, 3260), (163, 2780), (278, 1630), (326, 1390), (556, 815), (652, 695)]