1705420

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1201}}^1$

素因数の和:1281

約数の個数: 24

約数和(自身を含む): 3634848

約数和(自身を除く): 1929428

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1201, 1420, 2402, 4804, 6005, 12010, 24020, 85271, 170542, 341084, 426355, 852710, 1705420]

約数ペア:

[(1, 1705420), (2, 852710), (4, 426355), (5, 341084), (10, 170542), (20, 85271), (71, 24020), (142, 12010), (284, 6005), (355, 4804), (710, 2402), (1201, 1420)]