321015940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{701}}^1\times {\mathrm{3271}}^1$

素因数の和:3988

約数の個数: 48

約数和(自身を含む): 771773184

約数和(自身を除く): 450757244

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 701, 1402, 2804, 3271, 3505, 4907, 6542, 7010, 9814, 13084, 14020, 16355, 19628, 22897, 24535, 32710, 45794, 49070, 65420, 91588, 98140, 114485, 228970, 457940, 2292971, 4585942, 9171884, 11464855, 16050797, 22929710, 32101594, 45859420, 64203188, 80253985, 160507970, 321015940]

約数ペア:

[(1, 321015940), (2, 160507970), (4, 80253985), (5, 64203188), (7, 45859420), (10, 32101594), (14, 22929710), (20, 16050797), (28, 11464855), (35, 9171884), (70, 4585942), (140, 2292971), (701, 457940), (1402, 228970), (2804, 114485), (3271, 98140), (3505, 91588), (4907, 65420), (6542, 49070), (7010, 45794), (9814, 32710), (13084, 24535), (14020, 22897), (16355, 19628)]