427700

素因数分解:

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

素因数の和:81

約数の個数: 72

約数和(自身を含む): 1166592

約数和(自身を除く): 738892

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 47, 50, 52, 65, 70, 91, 94, 100, 130, 140, 175, 182, 188, 235, 260, 325, 329, 350, 364, 455, 470, 611, 650, 658, 700, 910, 940, 1175, 1222, 1300, 1316, 1645, 1820, 2275, 2350, 2444, 3055, 3290, 4277, 4550, 4700, 6110, 6580, 8225, 8554, 9100, 12220, 15275, 16450, 17108, 21385, 30550, 32900, 42770, 61100, 85540, 106925, 213850, 427700]

約数ペア:

[(1, 427700), (2, 213850), (4, 106925), (5, 85540), (7, 61100), (10, 42770), (13, 32900), (14, 30550), (20, 21385), (25, 17108), (26, 16450), (28, 15275), (35, 12220), (47, 9100), (50, 8554), (52, 8225), (65, 6580), (70, 6110), (91, 4700), (94, 4550), (100, 4277), (130, 3290), (140, 3055), (175, 2444), (182, 2350), (188, 2275), (235, 1820), (260, 1645), (325, 1316), (329, 1300), (350, 1222), (364, 1175), (455, 940), (470, 910), (611, 700), (650, 658)]