1984990

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{4051}}^1$

素因数の和:4072

約数の個数: 24

約数和(自身を含む): 4157352

約数和(自身を除く): 2172362

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 4051, 8102, 20255, 28357, 40510, 56714, 141785, 198499, 283570, 396998, 992495, 1984990]

約数ペア:

[(1, 1984990), (2, 992495), (5, 396998), (7, 283570), (10, 198499), (14, 141785), (35, 56714), (49, 40510), (70, 28357), (98, 20255), (245, 8102), (490, 4051)]