218057980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{91621}}^1$

素因数の和:91654

約数の個数: 48

約数和(自身を含む): 554129856

約数和(自身を除く): 336071876

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 91621, 183242, 366484, 458105, 641347, 916210, 1282694, 1557557, 1832420, 2565388, 3115114, 3206735, 6230228, 6413470, 7787785, 10902899, 12826940, 15575570, 21805798, 31151140, 43611596, 54514495, 109028990, 218057980]

約数ペア:

[(1, 218057980), (2, 109028990), (4, 54514495), (5, 43611596), (7, 31151140), (10, 21805798), (14, 15575570), (17, 12826940), (20, 10902899), (28, 7787785), (34, 6413470), (35, 6230228), (68, 3206735), (70, 3115114), (85, 2565388), (119, 1832420), (140, 1557557), (170, 1282694), (238, 916210), (340, 641347), (476, 458105), (595, 366484), (1190, 183242), (2380, 91621)]