280806800

素因数分解:

$2^4\times 5^2\times {\mathrm{702017}}^1$

素因数の和:702035

約数の個数: 30

約数和(自身を含む): 674639298

約数和(自身を除く): 393832498

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 702017, 1404034, 2808068, 3510085, 5616136, 7020170, 11232272, 14040340, 17550425, 28080680, 35100850, 56161360, 70201700, 140403400, 280806800]

約数ペア:

[(1, 280806800), (2, 140403400), (4, 70201700), (5, 56161360), (8, 35100850), (10, 28080680), (16, 17550425), (20, 14040340), (25, 11232272), (40, 7020170), (50, 5616136), (80, 3510085), (100, 2808068), (200, 1404034), (400, 702017)]