85857940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{499}}^1\times {\mathrm{1229}}^1$

素因数の和:1744

約数の個数: 48

約数和(自身を含む): 206640000

約数和(自身を除く): 120782060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 499, 998, 1229, 1996, 2458, 2495, 3493, 4916, 4990, 6145, 6986, 8603, 9980, 12290, 13972, 17206, 17465, 24580, 34412, 34930, 43015, 69860, 86030, 172060, 613271, 1226542, 2453084, 3066355, 4292897, 6132710, 8585794, 12265420, 17171588, 21464485, 42928970, 85857940]

約数ペア:

[(1, 85857940), (2, 42928970), (4, 21464485), (5, 17171588), (7, 12265420), (10, 8585794), (14, 6132710), (20, 4292897), (28, 3066355), (35, 2453084), (70, 1226542), (140, 613271), (499, 172060), (998, 86030), (1229, 69860), (1996, 43015), (2458, 34930), (2495, 34412), (3493, 24580), (4916, 17465), (4990, 17206), (6145, 13972), (6986, 12290), (8603, 9980)]