204865256540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1549}}^1\times {\mathrm{944689}}^1$

素因数の和:946254

約数の個数: 48

約数和(自身を含む): 491994552000

約数和(自身を除く): 287129295460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1549, 3098, 6196, 7745, 10843, 15490, 21686, 30980, 43372, 54215, 108430, 216860, 944689, 1889378, 3778756, 4723445, 6612823, 9446890, 13225646, 18893780, 26451292, 33064115, 66128230, 132256460, 1463323261, 2926646522, 5853293044, 7316616305, 10243262827, 14633232610, 20486525654, 29266465220, 40973051308, 51216314135, 102432628270, 204865256540]

約数ペア:

[(1, 204865256540), (2, 102432628270), (4, 51216314135), (5, 40973051308), (7, 29266465220), (10, 20486525654), (14, 14633232610), (20, 10243262827), (28, 7316616305), (35, 5853293044), (70, 2926646522), (140, 1463323261), (1549, 132256460), (3098, 66128230), (6196, 33064115), (7745, 26451292), (10843, 18893780), (15490, 13225646), (21686, 9446890), (30980, 6612823), (43372, 4723445), (54215, 3778756), (108430, 1889378), (216860, 944689)]