272350

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{419}}^1$

素因数の和:444

約数の個数: 24

約数和(自身を含む): 546840

約数和(自身を除く): 274490

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 419, 650, 838, 2095, 4190, 5447, 10475, 10894, 20950, 27235, 54470, 136175, 272350]

約数ペア:

[(1, 272350), (2, 136175), (5, 54470), (10, 27235), (13, 20950), (25, 10894), (26, 10475), (50, 5447), (65, 4190), (130, 2095), (325, 838), (419, 650)]