12789025540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{189019}}^1$

素因数の和:189244

約数の個数: 48

約数和(自身を含む): 28579824000

約数和(自身を除く): 15790798460

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 199, 340, 398, 796, 995, 1990, 3383, 3980, 6766, 13532, 16915, 33830, 67660, 189019, 378038, 756076, 945095, 1890190, 3213323, 3780380, 6426646, 12853292, 16066615, 32133230, 37614781, 64266460, 75229562, 150459124, 188073905, 376147810, 639451277, 752295620, 1278902554, 2557805108, 3197256385, 6394512770, 12789025540]

約数ペア:

[(1, 12789025540), (2, 6394512770), (4, 3197256385), (5, 2557805108), (10, 1278902554), (17, 752295620), (20, 639451277), (34, 376147810), (68, 188073905), (85, 150459124), (170, 75229562), (199, 64266460), (340, 37614781), (398, 32133230), (796, 16066615), (995, 12853292), (1990, 6426646), (3383, 3780380), (3980, 3213323), (6766, 1890190), (13532, 945095), (16915, 756076), (33830, 378038), (67660, 189019)]