1089400

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{419}}^1$

素因数の和:448

約数の個数: 48

約数和(自身を含む): 2734200

約数和(自身を除く): 1644800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 419, 520, 650, 838, 1300, 1676, 2095, 2600, 3352, 4190, 5447, 8380, 10475, 10894, 16760, 20950, 21788, 27235, 41900, 43576, 54470, 83800, 108940, 136175, 217880, 272350, 544700, 1089400]

約数ペア:

[(1, 1089400), (2, 544700), (4, 272350), (5, 217880), (8, 136175), (10, 108940), (13, 83800), (20, 54470), (25, 43576), (26, 41900), (40, 27235), (50, 21788), (52, 20950), (65, 16760), (100, 10894), (104, 10475), (130, 8380), (200, 5447), (260, 4190), (325, 3352), (419, 2600), (520, 2095), (650, 1676), (838, 1300)]