201325820

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{67559}}^1$

素因数の和:67717

約数の個数: 24

約数和(自身を含む): 425628000

約数和(自身を除く): 224302180

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 67559, 135118, 270236, 337795, 675590, 1351180, 10066291, 20132582, 40265164, 50331455, 100662910, 201325820]

約数ペア:

[(1, 201325820), (2, 100662910), (4, 50331455), (5, 40265164), (10, 20132582), (20, 10066291), (149, 1351180), (298, 675590), (596, 337795), (745, 270236), (1490, 135118), (2980, 67559)]