788488940

素因数分解:

$2^2\times 5^1\times {\mathrm{283}}^1\times {\mathrm{139309}}^1$

素因数の和:139601

約数の個数: 24

約数和(自身を含む): 1661689680

約数和(自身を除く): 873200740

約数列:

[1, 2, 4, 5, 10, 20, 283, 566, 1132, 1415, 2830, 5660, 139309, 278618, 557236, 696545, 1393090, 2786180, 39424447, 78848894, 157697788, 197122235, 394244470, 788488940]

約数ペア:

[(1, 788488940), (2, 394244470), (4, 197122235), (5, 157697788), (10, 78848894), (20, 39424447), (283, 2786180), (566, 1393090), (1132, 696545), (1415, 557236), (2830, 278618), (5660, 139309)]