359396980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{4021}}^1$

素因数の和:4180

約数の個数: 48

約数和(自身を含む): 780428880

約数和(自身を除く): 421031900

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 109, 164, 205, 218, 410, 436, 545, 820, 1090, 2180, 4021, 4469, 8042, 8938, 16084, 17876, 20105, 22345, 40210, 44690, 80420, 89380, 164861, 329722, 438289, 659444, 824305, 876578, 1648610, 1753156, 2191445, 3297220, 4382890, 8765780, 17969849, 35939698, 71879396, 89849245, 179698490, 359396980]

約数ペア:

[(1, 359396980), (2, 179698490), (4, 89849245), (5, 71879396), (10, 35939698), (20, 17969849), (41, 8765780), (82, 4382890), (109, 3297220), (164, 2191445), (205, 1753156), (218, 1648610), (410, 876578), (436, 824305), (545, 659444), (820, 438289), (1090, 329722), (2180, 164861), (4021, 89380), (4469, 80420), (8042, 44690), (8938, 40210), (16084, 22345), (17876, 20105)]