348539120

素因数分解:

$2^4\times 5^1\times {\mathrm{4356739}}^1$

素因数の和:4356752

約数の個数: 20

約数和(自身を含む): 810353640

約数和(自身を除く): 461814520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 4356739, 8713478, 17426956, 21783695, 34853912, 43567390, 69707824, 87134780, 174269560, 348539120]

約数ペア:

[(1, 348539120), (2, 174269560), (4, 87134780), (5, 69707824), (8, 43567390), (10, 34853912), (16, 21783695), (20, 17426956), (40, 8713478), (80, 4356739)]