918680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1$

素因数の和:228

約数の個数: 64

約数和(自身を含む): 2514240

約数和(自身を除く): 1595560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 140, 170, 193, 238, 280, 340, 386, 476, 595, 680, 772, 952, 965, 1190, 1351, 1544, 1930, 2380, 2702, 3281, 3860, 4760, 5404, 6562, 6755, 7720, 10808, 13124, 13510, 16405, 22967, 26248, 27020, 32810, 45934, 54040, 65620, 91868, 114835, 131240, 183736, 229670, 459340, 918680]

約数ペア:

[(1, 918680), (2, 459340), (4, 229670), (5, 183736), (7, 131240), (8, 114835), (10, 91868), (14, 65620), (17, 54040), (20, 45934), (28, 32810), (34, 27020), (35, 26248), (40, 22967), (56, 16405), (68, 13510), (70, 13124), (85, 10808), (119, 7720), (136, 6755), (140, 6562), (170, 5404), (193, 4760), (238, 3860), (280, 3281), (340, 2702), (386, 2380), (476, 1930), (595, 1544), (680, 1351), (772, 1190), (952, 965)]