204008980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1457207}}^1$

素因数の和:1457223

約数の個数: 24

約数和(自身を含む): 489621888

約数和(自身を除く): 285612908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1457207, 2914414, 5828828, 7286035, 10200449, 14572070, 20400898, 29144140, 40801796, 51002245, 102004490, 204008980]

約数ペア:

[(1, 204008980), (2, 102004490), (4, 51002245), (5, 40801796), (7, 29144140), (10, 20400898), (14, 14572070), (20, 10200449), (28, 7286035), (35, 5828828), (70, 2914414), (140, 1457207)]