219845260

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{106721}}^1$

素因数の和:106833

約数の個数: 24

約数和(自身を含む): 466161696

約数和(自身を除く): 246316436

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 106721, 213442, 426884, 533605, 1067210, 2134420, 10992263, 21984526, 43969052, 54961315, 109922630, 219845260]

約数ペア:

[(1, 219845260), (2, 109922630), (4, 54961315), (5, 43969052), (10, 21984526), (20, 10992263), (103, 2134420), (206, 1067210), (412, 533605), (515, 426884), (1030, 213442), (2060, 106721)]