181738180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{30391}}^1$

素因数の和:30436

約数の個数: 48

約数和(自身を含む): 428891904

約数和(自身を除く): 247153724

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 92, 115, 130, 230, 260, 299, 460, 598, 1196, 1495, 2990, 5980, 30391, 60782, 121564, 151955, 303910, 395083, 607820, 698993, 790166, 1397986, 1580332, 1975415, 2795972, 3494965, 3950830, 6989930, 7901660, 9086909, 13979860, 18173818, 36347636, 45434545, 90869090, 181738180]

約数ペア:

[(1, 181738180), (2, 90869090), (4, 45434545), (5, 36347636), (10, 18173818), (13, 13979860), (20, 9086909), (23, 7901660), (26, 6989930), (46, 3950830), (52, 3494965), (65, 2795972), (92, 1975415), (115, 1580332), (130, 1397986), (230, 790166), (260, 698993), (299, 607820), (460, 395083), (598, 303910), (1196, 151955), (1495, 121564), (2990, 60782), (5980, 30391)]