2139301640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{7640363}}^1$

素因数の和:7640381

約数の個数: 32

約数和(自身を含む): 5501062080

約数和(自身を除く): 3361760440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 7640363, 15280726, 30561452, 38201815, 53482541, 61122904, 76403630, 106965082, 152807260, 213930164, 267412705, 305614520, 427860328, 534825410, 1069650820, 2139301640]

約数ペア:

[(1, 2139301640), (2, 1069650820), (4, 534825410), (5, 427860328), (7, 305614520), (8, 267412705), (10, 213930164), (14, 152807260), (20, 106965082), (28, 76403630), (35, 61122904), (40, 53482541), (56, 38201815), (70, 30561452), (140, 15280726), (280, 7640363)]