204288980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1459207}}^1$

素因数の和:1459223

約数の個数: 24

約数和(自身を含む): 490293888

約数和(自身を除く): 286004908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1459207, 2918414, 5836828, 7296035, 10214449, 14592070, 20428898, 29184140, 40857796, 51072245, 102144490, 204288980]

約数ペア:

[(1, 204288980), (2, 102144490), (4, 51072245), (5, 40857796), (7, 29184140), (10, 20428898), (14, 14592070), (20, 10214449), (28, 7296035), (35, 5836828), (70, 2918414), (140, 1459207)]