28785260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{5557}}^1$

素因数の和:5610

約数の個数: 48

約数和(自身を含む): 70964544

約数和(自身を除く): 42179284

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 2590, 5180, 5557, 11114, 22228, 27785, 38899, 55570, 77798, 111140, 155596, 194495, 205609, 388990, 411218, 777980, 822436, 1028045, 1439263, 2056090, 2878526, 4112180, 5757052, 7196315, 14392630, 28785260]

約数ペア:

[(1, 28785260), (2, 14392630), (4, 7196315), (5, 5757052), (7, 4112180), (10, 2878526), (14, 2056090), (20, 1439263), (28, 1028045), (35, 822436), (37, 777980), (70, 411218), (74, 388990), (140, 205609), (148, 194495), (185, 155596), (259, 111140), (370, 77798), (518, 55570), (740, 38899), (1036, 27785), (1295, 22228), (2590, 11114), (5180, 5557)]