55298180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{394987}}^1$

素因数の和:395003

約数の個数: 24

約数和(自身を含む): 132715968

約数和(自身を除く): 77417788

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 394987, 789974, 1579948, 1974935, 2764909, 3949870, 5529818, 7899740, 11059636, 13824545, 27649090, 55298180]

約数ペア:

[(1, 55298180), (2, 27649090), (4, 13824545), (5, 11059636), (7, 7899740), (10, 5529818), (14, 3949870), (20, 2764909), (28, 1974935), (35, 1579948), (70, 789974), (140, 394987)]