1416220

素因数分解:

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

素因数の和:454

約数の個数: 36

約数和(自身を含む): 3228120

約数和(自身を除く): 1811900

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 419, 676, 838, 845, 1676, 1690, 2095, 3380, 4190, 5447, 8380, 10894, 21788, 27235, 54470, 70811, 108940, 141622, 283244, 354055, 708110, 1416220]

約数ペア:

[(1, 1416220), (2, 708110), (4, 354055), (5, 283244), (10, 141622), (13, 108940), (20, 70811), (26, 54470), (52, 27235), (65, 21788), (130, 10894), (169, 8380), (260, 5447), (338, 4190), (419, 3380), (676, 2095), (838, 1690), (845, 1676)]