83671420

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{12197}}^1$

素因数の和:12227

約数の個数: 48

約数和(自身を含む): 204926400

約数和(自身を除く): 121254980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 12197, 24394, 48788, 60985, 85379, 121970, 170758, 243940, 341516, 426895, 597653, 853790, 1195306, 1707580, 2390612, 2988265, 4183571, 5976530, 8367142, 11953060, 16734284, 20917855, 41835710, 83671420]

約数ペア:

[(1, 83671420), (2, 41835710), (4, 20917855), (5, 16734284), (7, 11953060), (10, 8367142), (14, 5976530), (20, 4183571), (28, 2988265), (35, 2390612), (49, 1707580), (70, 1195306), (98, 853790), (140, 597653), (196, 426895), (245, 341516), (343, 243940), (490, 170758), (686, 121970), (980, 85379), (1372, 60985), (1715, 48788), (3430, 24394), (6860, 12197)]