2017398940

素因数分解:

$2^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{431}}^1\times {\mathrm{1031}}^1$

素因数の和:1698

約数の個数: 48

約数和(自身を含む): 4269210624

約数和(自身を除く): 2251811684

約数列:

[1, 2, 4, 5, 10, 20, 227, 431, 454, 862, 908, 1031, 1135, 1724, 2062, 2155, 2270, 4124, 4310, 4540, 5155, 8620, 10310, 20620, 97837, 195674, 234037, 391348, 444361, 468074, 489185, 888722, 936148, 978370, 1170185, 1777444, 1956740, 2221805, 2340370, 4443610, 4680740, 8887220, 100869947, 201739894, 403479788, 504349735, 1008699470, 2017398940]

約数ペア:

[(1, 2017398940), (2, 1008699470), (4, 504349735), (5, 403479788), (10, 201739894), (20, 100869947), (227, 8887220), (431, 4680740), (454, 4443610), (862, 2340370), (908, 2221805), (1031, 1956740), (1135, 1777444), (1724, 1170185), (2062, 978370), (2155, 936148), (2270, 888722), (4124, 489185), (4310, 468074), (4540, 444361), (5155, 391348), (8620, 234037), (10310, 195674), (20620, 97837)]