647589740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{4625641}}^1$

素因数の和:4625657

約数の個数: 24

約数和(自身を含む): 1554215712

約数和(自身を除く): 906625972

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 4625641, 9251282, 18502564, 23128205, 32379487, 46256410, 64758974, 92512820, 129517948, 161897435, 323794870, 647589740]

約数ペア:

[(1, 647589740), (2, 323794870), (4, 161897435), (5, 129517948), (7, 92512820), (10, 64758974), (14, 46256410), (20, 32379487), (28, 23128205), (35, 18502564), (70, 9251282), (140, 4625641)]