210541520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{375967}}^1$

素因数の和:375987

約数の個数: 40

約数和(自身を含む): 559440384

約数和(自身を除く): 348898864

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 375967, 751934, 1503868, 1879835, 2631769, 3007736, 3759670, 5263538, 6015472, 7519340, 10527076, 13158845, 15038680, 21054152, 26317690, 30077360, 42108304, 52635380, 105270760, 210541520]

約数ペア:

[(1, 210541520), (2, 105270760), (4, 52635380), (5, 42108304), (7, 30077360), (8, 26317690), (10, 21054152), (14, 15038680), (16, 13158845), (20, 10527076), (28, 7519340), (35, 6015472), (40, 5263538), (56, 3759670), (70, 3007736), (80, 2631769), (112, 1879835), (140, 1503868), (280, 751934), (560, 375967)]