253136380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1808117}}^1$

素因数の和:1808133

約数の個数: 24

約数和(自身を含む): 607527648

約数和(自身を除く): 354391268

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1808117, 3616234, 7232468, 9040585, 12656819, 18081170, 25313638, 36162340, 50627276, 63284095, 126568190, 253136380]

約数ペア:

[(1, 253136380), (2, 126568190), (4, 63284095), (5, 50627276), (7, 36162340), (10, 25313638), (14, 18081170), (20, 12656819), (28, 9040585), (35, 7232468), (70, 3616234), (140, 1808117)]