9490100

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{2207}}^1$

素因数の和:2264

約数の個数: 36

約数和(自身を含む): 21081984

約数和(自身を除く): 11591884

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 172, 215, 430, 860, 1075, 2150, 2207, 4300, 4414, 8828, 11035, 22070, 44140, 55175, 94901, 110350, 189802, 220700, 379604, 474505, 949010, 1898020, 2372525, 4745050, 9490100]

約数ペア:

[(1, 9490100), (2, 4745050), (4, 2372525), (5, 1898020), (10, 949010), (20, 474505), (25, 379604), (43, 220700), (50, 189802), (86, 110350), (100, 94901), (172, 55175), (215, 44140), (430, 22070), (860, 11035), (1075, 8828), (2150, 4414), (2207, 4300)]