85802780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{612877}}^1$

素因数の和:612893

約数の個数: 24

約数和(自身を含む): 205927008

約数和(自身を除く): 120124228

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 612877, 1225754, 2451508, 3064385, 4290139, 6128770, 8580278, 12257540, 17160556, 21450695, 42901390, 85802780]

約数ペア:

[(1, 85802780), (2, 42901390), (4, 21450695), (5, 17160556), (7, 12257540), (10, 8580278), (14, 6128770), (20, 4290139), (28, 3064385), (35, 2451508), (70, 1225754), (140, 612877)]