198202220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{319681}}^1$

素因数の和:319721

約数の個数: 24

約数和(自身を含む): 429652608

約数和(自身を除く): 231450388

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 319681, 639362, 1278724, 1598405, 3196810, 6393620, 9910111, 19820222, 39640444, 49550555, 99101110, 198202220]

約数ペア:

[(1, 198202220), (2, 99101110), (4, 49550555), (5, 39640444), (10, 19820222), (20, 9910111), (31, 6393620), (62, 3196810), (124, 1598405), (155, 1278724), (310, 639362), (620, 319681)]