140120740

素因数分解:

$2^2\times 5^1\times {\mathrm{653}}^1\times {\mathrm{10729}}^1$

素因数の和:11391

約数の個数: 24

約数和(自身を含む): 294731640

約数和(自身を除く): 154610900

約数列:

[1, 2, 4, 5, 10, 20, 653, 1306, 2612, 3265, 6530, 10729, 13060, 21458, 42916, 53645, 107290, 214580, 7006037, 14012074, 28024148, 35030185, 70060370, 140120740]

約数ペア:

[(1, 140120740), (2, 70060370), (4, 35030185), (5, 28024148), (10, 14012074), (20, 7006037), (653, 214580), (1306, 107290), (2612, 53645), (3265, 42916), (6530, 21458), (10729, 13060)]