109690180

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{379}}^1\times {\mathrm{499}}^1$

素因数の和:916

約数の個数: 48

約数和(自身を含む): 239400000

約数和(自身を除く): 129709820

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 379, 499, 580, 758, 998, 1516, 1895, 1996, 2495, 3790, 4990, 7580, 9980, 10991, 14471, 21982, 28942, 43964, 54955, 57884, 72355, 109910, 144710, 189121, 219820, 289420, 378242, 756484, 945605, 1891210, 3782420, 5484509, 10969018, 21938036, 27422545, 54845090, 109690180]

約数ペア:

[(1, 109690180), (2, 54845090), (4, 27422545), (5, 21938036), (10, 10969018), (20, 5484509), (29, 3782420), (58, 1891210), (116, 945605), (145, 756484), (290, 378242), (379, 289420), (499, 219820), (580, 189121), (758, 144710), (998, 109910), (1516, 72355), (1895, 57884), (1996, 54955), (2495, 43964), (3790, 28942), (4990, 21982), (7580, 14471), (9980, 10991)]