203557580

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{139423}}^1$

素因数の和:139505

約数の個数: 24

約数和(自身を含む): 433329792

約数和(自身を除く): 229772212

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 139423, 278846, 557692, 697115, 1394230, 2788460, 10177879, 20355758, 40711516, 50889395, 101778790, 203557580]

約数ペア:

[(1, 203557580), (2, 101778790), (4, 50889395), (5, 40711516), (10, 20355758), (20, 10177879), (73, 2788460), (146, 1394230), (292, 697115), (365, 557692), (730, 278846), (1460, 139423)]