229754420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1641103}}^1$

素因数の和:1641119

約数の個数: 24

約数和(自身を含む): 551410944

約数和(自身を除く): 321656524

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1641103, 3282206, 6564412, 8205515, 11487721, 16411030, 22975442, 32822060, 45950884, 57438605, 114877210, 229754420]

約数ペア:

[(1, 229754420), (2, 114877210), (4, 57438605), (5, 45950884), (7, 32822060), (10, 22975442), (14, 16411030), (20, 11487721), (28, 8205515), (35, 6564412), (70, 3282206), (140, 1641103)]