139790630

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{285287}}^1$

素因数の和:285308

約数の個数: 24

約数和(自身を含む): 292705488

約数和(自身を除く): 152914858

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 285287, 570574, 1426435, 1997009, 2852870, 3994018, 9985045, 13979063, 19970090, 27958126, 69895315, 139790630]

約数ペア:

[(1, 139790630), (2, 69895315), (5, 27958126), (7, 19970090), (10, 13979063), (14, 9985045), (35, 3994018), (49, 2852870), (70, 1997009), (98, 1426435), (245, 570574), (490, 285287)]