28506590

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{283}}^1\times {\mathrm{1439}}^1$

素因数の和:1736

約数の個数: 32

約数和(自身を含む): 58890240

約数和(自身を除く): 30383650

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 283, 566, 1415, 1439, 1981, 2830, 2878, 3962, 7195, 9905, 10073, 14390, 19810, 20146, 50365, 100730, 407237, 814474, 2036185, 2850659, 4072370, 5701318, 14253295, 28506590]

約数ペア:

[(1, 28506590), (2, 14253295), (5, 5701318), (7, 4072370), (10, 2850659), (14, 2036185), (35, 814474), (70, 407237), (283, 100730), (566, 50365), (1415, 20146), (1439, 19810), (1981, 14390), (2830, 10073), (2878, 9905), (3962, 7195)]