31200820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{222863}}^1$

素因数の和:222879

約数の個数: 24

約数和(自身を含む): 74882304

約数和(自身を除く): 43681484

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 222863, 445726, 891452, 1114315, 1560041, 2228630, 3120082, 4457260, 6240164, 7800205, 15600410, 31200820]

約数ペア:

[(1, 31200820), (2, 15600410), (4, 7800205), (5, 6240164), (7, 4457260), (10, 3120082), (14, 2228630), (20, 1560041), (28, 1114315), (35, 891452), (70, 445726), (140, 222863)]