213850

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1$

素因数の和:79

約数の個数: 48

約数和(自身を含む): 499968

約数和(自身を除く): 286118

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 35, 47, 50, 65, 70, 91, 94, 130, 175, 182, 235, 325, 329, 350, 455, 470, 611, 650, 658, 910, 1175, 1222, 1645, 2275, 2350, 3055, 3290, 4277, 4550, 6110, 8225, 8554, 15275, 16450, 21385, 30550, 42770, 106925, 213850]

約数ペア:

[(1, 213850), (2, 106925), (5, 42770), (7, 30550), (10, 21385), (13, 16450), (14, 15275), (25, 8554), (26, 8225), (35, 6110), (47, 4550), (50, 4277), (65, 3290), (70, 3055), (91, 2350), (94, 2275), (130, 1645), (175, 1222), (182, 1175), (235, 910), (325, 658), (329, 650), (350, 611), (455, 470)]