9968996500

素因数分解:

$2^2\times 5^3\times {\mathrm{29}}^1\times {\mathrm{687517}}^1$

素因数の和:687565

約数の個数: 48

約数和(自身を含む): 22523089680

約数和(自身を除く): 12554093180

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 125, 145, 250, 290, 500, 580, 725, 1450, 2900, 3625, 7250, 14500, 687517, 1375034, 2750068, 3437585, 6875170, 13750340, 17187925, 19937993, 34375850, 39875986, 68751700, 79751972, 85939625, 99689965, 171879250, 199379930, 343758500, 398759860, 498449825, 996899650, 1993799300, 2492249125, 4984498250, 9968996500]

約数ペア:

[(1, 9968996500), (2, 4984498250), (4, 2492249125), (5, 1993799300), (10, 996899650), (20, 498449825), (25, 398759860), (29, 343758500), (50, 199379930), (58, 171879250), (100, 99689965), (116, 85939625), (125, 79751972), (145, 68751700), (250, 39875986), (290, 34375850), (500, 19937993), (580, 17187925), (725, 13750340), (1450, 6875170), (2900, 3437585), (3625, 2750068), (7250, 1375034), (14500, 687517)]