71450800

素因数分解:

$2^4\times 5^2\times {\mathrm{178627}}^1$

素因数の和:178645

約数の個数: 30

約数和(自身を含む): 171661508

約数和(自身を除く): 100210708

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 178627, 357254, 714508, 893135, 1429016, 1786270, 2858032, 3572540, 4465675, 7145080, 8931350, 14290160, 17862700, 35725400, 71450800]

約数ペア:

[(1, 71450800), (2, 35725400), (4, 17862700), (5, 14290160), (8, 8931350), (10, 7145080), (16, 4465675), (20, 3572540), (25, 2858032), (40, 1786270), (50, 1429016), (80, 893135), (100, 714508), (200, 357254), (400, 178627)]