280138670

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{1231}}^1\times {\mathrm{3251}}^1$

素因数の和:4496

約数の個数: 32

約数和(自身を含む): 576930816

約数和(自身を除く): 296792146

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 1231, 2462, 3251, 6155, 6502, 8617, 12310, 16255, 17234, 22757, 32510, 43085, 45514, 86170, 113785, 227570, 4001981, 8003962, 20009905, 28013867, 40019810, 56027734, 140069335, 280138670]

約数ペア:

[(1, 280138670), (2, 140069335), (5, 56027734), (7, 40019810), (10, 28013867), (14, 20009905), (35, 8003962), (70, 4001981), (1231, 227570), (2462, 113785), (3251, 86170), (6155, 45514), (6502, 43085), (8617, 32510), (12310, 22757), (16255, 17234)]