30897400

素因数分解:

$2^3\times 5^2\times {\mathrm{154487}}^1$

素因数の和:154503

約数の個数: 24

約数和(自身を含む): 71836920

約数和(自身を除く): 40939520

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 154487, 308974, 617948, 772435, 1235896, 1544870, 3089740, 3862175, 6179480, 7724350, 15448700, 30897400]

約数ペア:

[(1, 30897400), (2, 15448700), (4, 7724350), (5, 6179480), (8, 3862175), (10, 3089740), (20, 1544870), (25, 1235896), (40, 772435), (50, 617948), (100, 308974), (200, 154487)]