263140

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{223}}^1$

素因数の和:291

約数の個数: 24

約数和(自身を含む): 564480

約数和(自身を除く): 301340

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 223, 236, 295, 446, 590, 892, 1115, 1180, 2230, 4460, 13157, 26314, 52628, 65785, 131570, 263140]

約数ペア:

[(1, 263140), (2, 131570), (4, 65785), (5, 52628), (10, 26314), (20, 13157), (59, 4460), (118, 2230), (223, 1180), (236, 1115), (295, 892), (446, 590)]