207477260

素因数分解:

$2^2\times 5^1\times {\mathrm{1489}}^1\times {\mathrm{6967}}^1$

素因数の和:8465

約数の個数: 24

約数和(自身を含む): 436057440

約数和(自身を除く): 228580180

約数列:

[1, 2, 4, 5, 10, 20, 1489, 2978, 5956, 6967, 7445, 13934, 14890, 27868, 29780, 34835, 69670, 139340, 10373863, 20747726, 41495452, 51869315, 103738630, 207477260]

約数ペア:

[(1, 207477260), (2, 103738630), (4, 51869315), (5, 41495452), (10, 20747726), (20, 10373863), (1489, 139340), (2978, 69670), (5956, 34835), (6967, 29780), (7445, 27868), (13934, 14890)]