86853620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{620383}}^1$

素因数の和:620399

約数の個数: 24

約数和(自身を含む): 208449024

約数和(自身を除く): 121595404

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 620383, 1240766, 2481532, 3101915, 4342681, 6203830, 8685362, 12407660, 17370724, 21713405, 43426810, 86853620]

約数ペア:

[(1, 86853620), (2, 43426810), (4, 21713405), (5, 17370724), (7, 12407660), (10, 8685362), (14, 6203830), (20, 4342681), (28, 3101915), (35, 2481532), (70, 1240766), (140, 620383)]