1280776370

素因数分解:

$2^1\times 5^1\times {\mathrm{307}}^1\times {\mathrm{417191}}^1$

素因数の和:417505

約数の個数: 16

約数和(自身を含む): 2312912448

約数和(自身を除く): 1032136078

約数列:

[1, 2, 5, 10, 307, 614, 1535, 3070, 417191, 834382, 2085955, 4171910, 128077637, 256155274, 640388185, 1280776370]

約数ペア:

[(1, 1280776370), (2, 640388185), (5, 256155274), (10, 128077637), (307, 4171910), (614, 2085955), (1535, 834382), (3070, 417191)]