149920360

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{863}}^1$

素因数の和:1018

約数の個数: 64

約数和(自身を含む): 348986880

約数和(自身を除く): 199066520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 101, 172, 202, 215, 344, 404, 430, 505, 808, 860, 863, 1010, 1720, 1726, 2020, 3452, 4040, 4315, 4343, 6904, 8630, 8686, 17260, 17372, 21715, 34520, 34744, 37109, 43430, 74218, 86860, 87163, 148436, 173720, 174326, 185545, 296872, 348652, 371090, 435815, 697304, 742180, 871630, 1484360, 1743260, 3486520, 3748009, 7496018, 14992036, 18740045, 29984072, 37480090, 74960180, 149920360]

約数ペア:

[(1, 149920360), (2, 74960180), (4, 37480090), (5, 29984072), (8, 18740045), (10, 14992036), (20, 7496018), (40, 3748009), (43, 3486520), (86, 1743260), (101, 1484360), (172, 871630), (202, 742180), (215, 697304), (344, 435815), (404, 371090), (430, 348652), (505, 296872), (808, 185545), (860, 174326), (863, 173720), (1010, 148436), (1720, 87163), (1726, 86860), (2020, 74218), (3452, 43430), (4040, 37109), (4315, 34744), (4343, 34520), (6904, 21715), (8630, 17372), (8686, 17260)]