209284440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{40559}}^1$

素因数の和:40616

約数の個数: 64

約数和(自身を含む): 642470400

約数和(自身を除く): 433185960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 215, 258, 344, 430, 516, 645, 860, 1032, 1290, 1720, 2580, 5160, 40559, 81118, 121677, 162236, 202795, 243354, 324472, 405590, 486708, 608385, 811180, 973416, 1216770, 1622360, 1744037, 2433540, 3488074, 4867080, 5232111, 6976148, 8720185, 10464222, 13952296, 17440370, 20928444, 26160555, 34880740, 41856888, 52321110, 69761480, 104642220, 209284440]

約数ペア:

[(1, 209284440), (2, 104642220), (3, 69761480), (4, 52321110), (5, 41856888), (6, 34880740), (8, 26160555), (10, 20928444), (12, 17440370), (15, 13952296), (20, 10464222), (24, 8720185), (30, 6976148), (40, 5232111), (43, 4867080), (60, 3488074), (86, 2433540), (120, 1744037), (129, 1622360), (172, 1216770), (215, 973416), (258, 811180), (344, 608385), (430, 486708), (516, 405590), (645, 324472), (860, 243354), (1032, 202795), (1290, 162236), (1720, 121677), (2580, 81118), (5160, 40559)]