28438500

素因数分解:

$2^2\times 3^1\times 5^3\times {\mathrm{18959}}^1$

素因数の和:18981

約数の個数: 48

約数和(自身を含む): 82817280

約数和(自身を除く): 54378780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 125, 150, 250, 300, 375, 500, 750, 1500, 18959, 37918, 56877, 75836, 94795, 113754, 189590, 227508, 284385, 379180, 473975, 568770, 947950, 1137540, 1421925, 1895900, 2369875, 2843850, 4739750, 5687700, 7109625, 9479500, 14219250, 28438500]

約数ペア:

[(1, 28438500), (2, 14219250), (3, 9479500), (4, 7109625), (5, 5687700), (6, 4739750), (10, 2843850), (12, 2369875), (15, 1895900), (20, 1421925), (25, 1137540), (30, 947950), (50, 568770), (60, 473975), (75, 379180), (100, 284385), (125, 227508), (150, 189590), (250, 113754), (300, 94795), (375, 75836), (500, 56877), (750, 37918), (1500, 18959)]