209200030

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{123787}}^1$

素因数の和:123820

約数の個数: 24

約数和(自身を含む): 407757672

約数和(自身を除く): 198557642

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 123787, 247574, 618935, 1237870, 1609231, 3218462, 8046155, 16092310, 20920003, 41840006, 104600015, 209200030]

約数ペア:

[(1, 209200030), (2, 104600015), (5, 41840006), (10, 20920003), (13, 16092310), (26, 8046155), (65, 3218462), (130, 1609231), (169, 1237870), (338, 618935), (845, 247574), (1690, 123787)]