112780220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{805573}}^1$

素因数の和:805589

約数の個数: 24

約数和(自身を含む): 270672864

約数和(自身を除く): 157892644

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 805573, 1611146, 3222292, 4027865, 5639011, 8055730, 11278022, 16111460, 22556044, 28195055, 56390110, 112780220]

約数ペア:

[(1, 112780220), (2, 56390110), (4, 28195055), (5, 22556044), (7, 16111460), (10, 11278022), (14, 8055730), (20, 5639011), (28, 4027865), (35, 3222292), (70, 1611146), (140, 805573)]