16655116900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{203857}}^1$

素因数の和:203933

約数の個数: 72

約数和(自身を含む): 38928723680

約数和(自身を除く): 22273606780

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 43, 50, 76, 86, 95, 100, 172, 190, 215, 380, 430, 475, 817, 860, 950, 1075, 1634, 1900, 2150, 3268, 4085, 4300, 8170, 16340, 20425, 40850, 81700, 203857, 407714, 815428, 1019285, 2038570, 3873283, 4077140, 5096425, 7746566, 8765851, 10192850, 15493132, 17531702, 19366415, 20385700, 35063404, 38732830, 43829255, 77465660, 87658510, 96832075, 166551169, 175317020, 193664150, 219146275, 333102338, 387328300, 438292550, 666204676, 832755845, 876585100, 1665511690, 3331023380, 4163779225, 8327558450, 16655116900]

約数ペア:

[(1, 16655116900), (2, 8327558450), (4, 4163779225), (5, 3331023380), (10, 1665511690), (19, 876585100), (20, 832755845), (25, 666204676), (38, 438292550), (43, 387328300), (50, 333102338), (76, 219146275), (86, 193664150), (95, 175317020), (100, 166551169), (172, 96832075), (190, 87658510), (215, 77465660), (380, 43829255), (430, 38732830), (475, 35063404), (817, 20385700), (860, 19366415), (950, 17531702), (1075, 15493132), (1634, 10192850), (1900, 8765851), (2150, 7746566), (3268, 5096425), (4085, 4077140), (4300, 3873283), (8170, 2038570), (16340, 1019285), (20425, 815428), (40850, 407714), (81700, 203857)]