28902580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{206447}}^1$

素因数の和:206463

約数の個数: 24

約数和(自身を含む): 69366528

約数和(自身を除く): 40463948

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 206447, 412894, 825788, 1032235, 1445129, 2064470, 2890258, 4128940, 5780516, 7225645, 14451290, 28902580]

約数ペア:

[(1, 28902580), (2, 14451290), (4, 7225645), (5, 5780516), (7, 4128940), (10, 2890258), (14, 2064470), (20, 1445129), (28, 1032235), (35, 825788), (70, 412894), (140, 206447)]