55154680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{701}}^1$

素因数の和:1000

約数の個数: 64

約数和(自身を含む): 142534080

約数和(自身を除く): 87379400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 281, 562, 701, 1124, 1402, 1405, 1967, 2248, 2804, 2810, 3505, 3934, 4907, 5608, 5620, 7010, 7868, 9814, 9835, 11240, 14020, 15736, 19628, 19670, 24535, 28040, 39256, 39340, 49070, 78680, 98140, 196280, 196981, 393962, 787924, 984905, 1378867, 1575848, 1969810, 2757734, 3939620, 5515468, 6894335, 7879240, 11030936, 13788670, 27577340, 55154680]

約数ペア:

[(1, 55154680), (2, 27577340), (4, 13788670), (5, 11030936), (7, 7879240), (8, 6894335), (10, 5515468), (14, 3939620), (20, 2757734), (28, 1969810), (35, 1575848), (40, 1378867), (56, 984905), (70, 787924), (140, 393962), (280, 196981), (281, 196280), (562, 98140), (701, 78680), (1124, 49070), (1402, 39340), (1405, 39256), (1967, 28040), (2248, 24535), (2804, 19670), (2810, 19628), (3505, 15736), (3934, 14020), (4907, 11240), (5608, 9835), (5620, 9814), (7010, 7868)]