9070420

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{199}}^1$

素因数の和:304

約数の個数: 48

約数和(自身を含む): 19958400

約数和(自身を除く): 10887980

約数列:

[1, 2, 4, 5, 10, 20, 43, 53, 86, 106, 172, 199, 212, 215, 265, 398, 430, 530, 796, 860, 995, 1060, 1990, 2279, 3980, 4558, 8557, 9116, 10547, 11395, 17114, 21094, 22790, 34228, 42188, 42785, 45580, 52735, 85570, 105470, 171140, 210940, 453521, 907042, 1814084, 2267605, 4535210, 9070420]

約数ペア:

[(1, 9070420), (2, 4535210), (4, 2267605), (5, 1814084), (10, 907042), (20, 453521), (43, 210940), (53, 171140), (86, 105470), (106, 85570), (172, 52735), (199, 45580), (212, 42785), (215, 42188), (265, 34228), (398, 22790), (430, 21094), (530, 17114), (796, 11395), (860, 10547), (995, 9116), (1060, 8557), (1990, 4558), (2279, 3980)]