74842180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{283}}^1\times {\mathrm{1889}}^1$

素因数の和:2188

約数の個数: 48

約数和(自身を含む): 180351360

約数和(自身を除く): 105509180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 283, 566, 1132, 1415, 1889, 1981, 2830, 3778, 3962, 5660, 7556, 7924, 9445, 9905, 13223, 18890, 19810, 26446, 37780, 39620, 52892, 66115, 132230, 264460, 534587, 1069174, 2138348, 2672935, 3742109, 5345870, 7484218, 10691740, 14968436, 18710545, 37421090, 74842180]

約数ペア:

[(1, 74842180), (2, 37421090), (4, 18710545), (5, 14968436), (7, 10691740), (10, 7484218), (14, 5345870), (20, 3742109), (28, 2672935), (35, 2138348), (70, 1069174), (140, 534587), (283, 264460), (566, 132230), (1132, 66115), (1415, 52892), (1889, 39620), (1981, 37780), (2830, 26446), (3778, 19810), (3962, 18890), (5660, 13223), (7556, 9905), (7924, 9445)]