1020009990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{208591}}^1$

素因数の和:208764

約数の個数: 32

約数和(自身を含む): 2463054336

約数和(自身を除く): 1443044346

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 163, 326, 489, 815, 978, 1630, 2445, 4890, 208591, 417182, 625773, 1042955, 1251546, 2085910, 3128865, 6257730, 34000333, 68000666, 102000999, 170001665, 204001998, 340003330, 510004995, 1020009990]

約数ペア:

[(1, 1020009990), (2, 510004995), (3, 340003330), (5, 204001998), (6, 170001665), (10, 102000999), (15, 68000666), (30, 34000333), (163, 6257730), (326, 3128865), (489, 2085910), (815, 1251546), (978, 1042955), (1630, 625773), (2445, 417182), (4890, 208591)]