3941980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{761}}^1$

素因数の和:814

約数の個数: 48

約数和(自身を含む): 9729216

約数和(自身を除く): 5787236

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 761, 1036, 1295, 1522, 2590, 3044, 3805, 5180, 5327, 7610, 10654, 15220, 21308, 26635, 28157, 53270, 56314, 106540, 112628, 140785, 197099, 281570, 394198, 563140, 788396, 985495, 1970990, 3941980]

約数ペア:

[(1, 3941980), (2, 1970990), (4, 985495), (5, 788396), (7, 563140), (10, 394198), (14, 281570), (20, 197099), (28, 140785), (35, 112628), (37, 106540), (70, 56314), (74, 53270), (140, 28157), (148, 26635), (185, 21308), (259, 15220), (370, 10654), (518, 7610), (740, 5327), (761, 5180), (1036, 3805), (1295, 3044), (1522, 2590)]