209536040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{748343}}^1$

素因数の和:748361

約数の個数: 32

約数和(自身を含む): 538807680

約数和(自身を除く): 329271640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 748343, 1496686, 2993372, 3741715, 5238401, 5986744, 7483430, 10476802, 14966860, 20953604, 26192005, 29933720, 41907208, 52384010, 104768020, 209536040]

約数ペア:

[(1, 209536040), (2, 104768020), (4, 52384010), (5, 41907208), (7, 29933720), (8, 26192005), (10, 20953604), (14, 14966860), (20, 10476802), (28, 7483430), (35, 5986744), (40, 5238401), (56, 3741715), (70, 2993372), (140, 1496686), (280, 748343)]