129337960

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{21701}}^1$

素因数の和:21861

約数の個数: 32

約数和(自身を含む): 292977000

約数和(自身を除く): 163639040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 298, 596, 745, 1192, 1490, 2980, 5960, 21701, 43402, 86804, 108505, 173608, 217010, 434020, 868040, 3233449, 6466898, 12933796, 16167245, 25867592, 32334490, 64668980, 129337960]

約数ペア:

[(1, 129337960), (2, 64668980), (4, 32334490), (5, 25867592), (8, 16167245), (10, 12933796), (20, 6466898), (40, 3233449), (149, 868040), (298, 434020), (596, 217010), (745, 173608), (1192, 108505), (1490, 86804), (2980, 43402), (5960, 21701)]