131049860

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{431}}^1\times {\mathrm{661}}^1$

素因数の和:1124

約数の個数: 48

約数和(自身を含む): 288271872

約数和(自身を除く): 157222012

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 431, 460, 661, 862, 1322, 1724, 2155, 2644, 3305, 4310, 6610, 8620, 9913, 13220, 15203, 19826, 30406, 39652, 49565, 60812, 76015, 99130, 152030, 198260, 284891, 304060, 569782, 1139564, 1424455, 2848910, 5697820, 6552493, 13104986, 26209972, 32762465, 65524930, 131049860]

約数ペア:

[(1, 131049860), (2, 65524930), (4, 32762465), (5, 26209972), (10, 13104986), (20, 6552493), (23, 5697820), (46, 2848910), (92, 1424455), (115, 1139564), (230, 569782), (431, 304060), (460, 284891), (661, 198260), (862, 152030), (1322, 99130), (1724, 76015), (2155, 60812), (2644, 49565), (3305, 39652), (4310, 30406), (6610, 19826), (8620, 15203), (9913, 13220)]