863240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{3083}}^1$

素因数の和:3101

約数の個数: 32

約数和(自身を含む): 2220480

約数和(自身を除く): 1357240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 3083, 6166, 12332, 15415, 21581, 24664, 30830, 43162, 61660, 86324, 107905, 123320, 172648, 215810, 431620, 863240]

約数ペア:

[(1, 863240), (2, 431620), (4, 215810), (5, 172648), (7, 123320), (8, 107905), (10, 86324), (14, 61660), (20, 43162), (28, 30830), (35, 24664), (40, 21581), (56, 15415), (70, 12332), (140, 6166), (280, 3083)]