3420820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{223}}^1$

素因数の和:304

約数の個数: 48

約数和(自身を含む): 7902720

約数和(自身を除く): 4481900

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 59, 65, 118, 130, 223, 236, 260, 295, 446, 590, 767, 892, 1115, 1180, 1534, 2230, 2899, 3068, 3835, 4460, 5798, 7670, 11596, 13157, 14495, 15340, 26314, 28990, 52628, 57980, 65785, 131570, 171041, 263140, 342082, 684164, 855205, 1710410, 3420820]

約数ペア:

[(1, 3420820), (2, 1710410), (4, 855205), (5, 684164), (10, 342082), (13, 263140), (20, 171041), (26, 131570), (52, 65785), (59, 57980), (65, 52628), (118, 28990), (130, 26314), (223, 15340), (236, 14495), (260, 13157), (295, 11596), (446, 7670), (590, 5798), (767, 4460), (892, 3835), (1115, 3068), (1180, 2899), (1534, 2230)]