127935620

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{191}}^1\times {\mathrm{313}}^1$

素因数の和:620

約数の個数: 48

約数和(自身を含む): 273466368

約数和(自身を除く): 145530748

約数列:

[1, 2, 4, 5, 10, 20, 107, 191, 214, 313, 382, 428, 535, 626, 764, 955, 1070, 1252, 1565, 1910, 2140, 3130, 3820, 6260, 20437, 33491, 40874, 59783, 66982, 81748, 102185, 119566, 133964, 167455, 204370, 239132, 298915, 334910, 408740, 597830, 669820, 1195660, 6396781, 12793562, 25587124, 31983905, 63967810, 127935620]

約数ペア:

[(1, 127935620), (2, 63967810), (4, 31983905), (5, 25587124), (10, 12793562), (20, 6396781), (107, 1195660), (191, 669820), (214, 597830), (313, 408740), (382, 334910), (428, 298915), (535, 239132), (626, 204370), (764, 167455), (955, 133964), (1070, 119566), (1252, 102185), (1565, 81748), (1910, 66982), (2140, 59783), (3130, 40874), (3820, 33491), (6260, 20437)]