204486520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{571}}^1\times {\mathrm{1279}}^1$

素因数の和:1868

約数の個数: 64

約数和(自身を含む): 527155200

約数和(自身を除く): 322668680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 571, 1142, 1279, 2284, 2558, 2855, 3997, 4568, 5116, 5710, 6395, 7994, 8953, 10232, 11420, 12790, 15988, 17906, 19985, 22840, 25580, 31976, 35812, 39970, 44765, 51160, 71624, 79940, 89530, 159880, 179060, 358120, 730309, 1460618, 2921236, 3651545, 5112163, 5842472, 7303090, 10224326, 14606180, 20448652, 25560815, 29212360, 40897304, 51121630, 102243260, 204486520]

約数ペア:

[(1, 204486520), (2, 102243260), (4, 51121630), (5, 40897304), (7, 29212360), (8, 25560815), (10, 20448652), (14, 14606180), (20, 10224326), (28, 7303090), (35, 5842472), (40, 5112163), (56, 3651545), (70, 2921236), (140, 1460618), (280, 730309), (571, 358120), (1142, 179060), (1279, 159880), (2284, 89530), (2558, 79940), (2855, 71624), (3997, 51160), (4568, 44765), (5116, 39970), (5710, 35812), (6395, 31976), (7994, 25580), (8953, 22840), (10232, 19985), (11420, 17906), (12790, 15988)]