408933140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{265541}}^1$

素因数の和:265568

約数の個数: 48

約数和(自身を含む): 1070665344

約数和(自身を除く): 661732204

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 265541, 531082, 1062164, 1327705, 1858787, 2655410, 2920951, 3717574, 5310820, 5841902, 7435148, 9293935, 11683804, 14604755, 18587870, 20446657, 29209510, 37175740, 40893314, 58419020, 81786628, 102233285, 204466570, 408933140]

約数ペア:

[(1, 408933140), (2, 204466570), (4, 102233285), (5, 81786628), (7, 58419020), (10, 40893314), (11, 37175740), (14, 29209510), (20, 20446657), (22, 18587870), (28, 14604755), (35, 11683804), (44, 9293935), (55, 7435148), (70, 5841902), (77, 5310820), (110, 3717574), (140, 2920951), (154, 2655410), (220, 1858787), (308, 1327705), (385, 1062164), (770, 531082), (1540, 265541)]