222728720

素因数分解:

$2^4\times 5^1\times {\mathrm{2784109}}^1$

素因数の和:2784122

約数の個数: 20

約数和(自身を含む): 517844460

約数和(自身を除く): 295115740

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2784109, 5568218, 11136436, 13920545, 22272872, 27841090, 44545744, 55682180, 111364360, 222728720]

約数ペア:

[(1, 222728720), (2, 111364360), (4, 55682180), (5, 44545744), (8, 27841090), (10, 22272872), (16, 13920545), (20, 11136436), (40, 5568218), (80, 2784109)]