250820080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{447893}}^1$

素因数の和:447913

約数の個数: 40

約数和(自身を含む): 666466272

約数和(自身を除く): 415646192

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 447893, 895786, 1791572, 2239465, 3135251, 3583144, 4478930, 6270502, 7166288, 8957860, 12541004, 15676255, 17915720, 25082008, 31352510, 35831440, 50164016, 62705020, 125410040, 250820080]

約数ペア:

[(1, 250820080), (2, 125410040), (4, 62705020), (5, 50164016), (7, 35831440), (8, 31352510), (10, 25082008), (14, 17915720), (16, 15676255), (20, 12541004), (28, 8957860), (35, 7166288), (40, 6270502), (56, 4478930), (70, 3583144), (80, 3135251), (112, 2239465), (140, 1791572), (280, 895786), (560, 447893)]