217016120

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{175013}}^1$

素因数の和:175055

約数の個数: 32

約数和(自身を含む): 504040320

約数和(自身を除く): 287024200

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 175013, 350026, 700052, 875065, 1400104, 1750130, 3500260, 5425403, 7000520, 10850806, 21701612, 27127015, 43403224, 54254030, 108508060, 217016120]

約数ペア:

[(1, 217016120), (2, 108508060), (4, 54254030), (5, 43403224), (8, 27127015), (10, 21701612), (20, 10850806), (31, 7000520), (40, 5425403), (62, 3500260), (124, 1750130), (155, 1400104), (248, 875065), (310, 700052), (620, 350026), (1240, 175013)]