238455280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{425813}}^1$

素因数の和:425833

約数の個数: 40

約数和(自身を含む): 633611232

約数和(自身を除く): 395155952

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 425813, 851626, 1703252, 2129065, 2980691, 3406504, 4258130, 5961382, 6813008, 8516260, 11922764, 14903455, 17032520, 23845528, 29806910, 34065040, 47691056, 59613820, 119227640, 238455280]

約数ペア:

[(1, 238455280), (2, 119227640), (4, 59613820), (5, 47691056), (7, 34065040), (8, 29806910), (10, 23845528), (14, 17032520), (16, 14903455), (20, 11922764), (28, 8516260), (35, 6813008), (40, 5961382), (56, 4258130), (70, 3406504), (80, 2980691), (112, 2129065), (140, 1703252), (280, 851626), (560, 425813)]