855400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1$

素因数の和:83

約数の個数: 96

約数和(自身を含む): 2499840

約数和(自身を除く): 1644440

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 25, 26, 28, 35, 40, 47, 50, 52, 56, 65, 70, 91, 94, 100, 104, 130, 140, 175, 182, 188, 200, 235, 260, 280, 325, 329, 350, 364, 376, 455, 470, 520, 611, 650, 658, 700, 728, 910, 940, 1175, 1222, 1300, 1316, 1400, 1645, 1820, 1880, 2275, 2350, 2444, 2600, 2632, 3055, 3290, 3640, 4277, 4550, 4700, 4888, 6110, 6580, 8225, 8554, 9100, 9400, 12220, 13160, 15275, 16450, 17108, 18200, 21385, 24440, 30550, 32900, 34216, 42770, 61100, 65800, 85540, 106925, 122200, 171080, 213850, 427700, 855400]

約数ペア:

[(1, 855400), (2, 427700), (4, 213850), (5, 171080), (7, 122200), (8, 106925), (10, 85540), (13, 65800), (14, 61100), (20, 42770), (25, 34216), (26, 32900), (28, 30550), (35, 24440), (40, 21385), (47, 18200), (50, 17108), (52, 16450), (56, 15275), (65, 13160), (70, 12220), (91, 9400), (94, 9100), (100, 8554), (104, 8225), (130, 6580), (140, 6110), (175, 4888), (182, 4700), (188, 4550), (200, 4277), (235, 3640), (260, 3290), (280, 3055), (325, 2632), (329, 2600), (350, 2444), (364, 2350), (376, 2275), (455, 1880), (470, 1820), (520, 1645), (611, 1400), (650, 1316), (658, 1300), (700, 1222), (728, 1175), (910, 940)]