70660520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{252359}}^1$

素因数の和:252377

約数の個数: 32

約数和(自身を含む): 181699200

約数和(自身を除く): 111038680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 252359, 504718, 1009436, 1261795, 1766513, 2018872, 2523590, 3533026, 5047180, 7066052, 8832565, 10094360, 14132104, 17665130, 35330260, 70660520]

約数ペア:

[(1, 70660520), (2, 35330260), (4, 17665130), (5, 14132104), (7, 10094360), (8, 8832565), (10, 7066052), (14, 5047180), (20, 3533026), (28, 2523590), (35, 2018872), (40, 1766513), (56, 1261795), (70, 1009436), (140, 504718), (280, 252359)]