72904580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{520747}}^1$

素因数の和:520763

約数の個数: 24

約数和(自身を含む): 174971328

約数和(自身を除く): 102066748

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 520747, 1041494, 2082988, 2603735, 3645229, 5207470, 7290458, 10414940, 14580916, 18226145, 36452290, 72904580]

約数ペア:

[(1, 72904580), (2, 36452290), (4, 18226145), (5, 14580916), (7, 10414940), (10, 7290458), (14, 5207470), (20, 3645229), (28, 2603735), (35, 2082988), (70, 1041494), (140, 520747)]