1299820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3823}}^1$

素因数の和:3849

約数の個数: 24

約数和(自身を含む): 2890944

約数和(自身を除く): 1591124

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 3823, 7646, 15292, 19115, 38230, 64991, 76460, 129982, 259964, 324955, 649910, 1299820]

約数ペア:

[(1, 1299820), (2, 649910), (4, 324955), (5, 259964), (10, 129982), (17, 76460), (20, 64991), (34, 38230), (68, 19115), (85, 15292), (170, 7646), (340, 3823)]