172952020

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{201107}}^1$

素因数の和:201159

約数の個数: 24

約数和(自身を含む): 371647584

約数和(自身を除く): 198695564

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 201107, 402214, 804428, 1005535, 2011070, 4022140, 8647601, 17295202, 34590404, 43238005, 86476010, 172952020]

約数ペア:

[(1, 172952020), (2, 86476010), (4, 43238005), (5, 34590404), (10, 17295202), (20, 8647601), (43, 4022140), (86, 2011070), (172, 1005535), (215, 804428), (430, 402214), (860, 201107)]