73990100

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{17207}}^1$

素因数の和:17264

約数の個数: 36

約数和(自身を含む): 164301984

約数和(自身を除く): 90311884

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 172, 215, 430, 860, 1075, 2150, 4300, 17207, 34414, 68828, 86035, 172070, 344140, 430175, 739901, 860350, 1479802, 1720700, 2959604, 3699505, 7399010, 14798020, 18497525, 36995050, 73990100]

約数ペア:

[(1, 73990100), (2, 36995050), (4, 18497525), (5, 14798020), (10, 7399010), (20, 3699505), (25, 2959604), (43, 1720700), (50, 1479802), (86, 860350), (100, 739901), (172, 430175), (215, 344140), (430, 172070), (860, 86035), (1075, 68828), (2150, 34414), (4300, 17207)]