1490090

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{3041}}^1$

素因数の和:3062

約数の個数: 24

約数和(自身を含む): 3121092

約数和(自身を除く): 1631002

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 3041, 6082, 15205, 21287, 30410, 42574, 106435, 149009, 212870, 298018, 745045, 1490090]

約数ペア:

[(1, 1490090), (2, 745045), (5, 298018), (7, 212870), (10, 149009), (14, 106435), (35, 42574), (49, 30410), (70, 21287), (98, 15205), (245, 6082), (490, 3041)]