87220490

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{178001}}^1$

素因数の和:178022

約数の個数: 24

約数和(自身を含む): 182630052

約数和(自身を除く): 95409562

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 178001, 356002, 890005, 1246007, 1780010, 2492014, 6230035, 8722049, 12460070, 17444098, 43610245, 87220490]

約数ペア:

[(1, 87220490), (2, 43610245), (5, 17444098), (7, 12460070), (10, 8722049), (14, 6230035), (35, 2492014), (49, 1780010), (70, 1246007), (98, 890005), (245, 356002), (490, 178001)]