3887960

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^2\times {\mathrm{71}}^1$

素因数の和:156

約数の個数: 48

約数和(自身を含む): 9117360

約数和(自身を除く): 5229400

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 71, 74, 142, 148, 185, 284, 296, 355, 370, 568, 710, 740, 1369, 1420, 1480, 2627, 2738, 2840, 5254, 5476, 6845, 10508, 10952, 13135, 13690, 21016, 26270, 27380, 52540, 54760, 97199, 105080, 194398, 388796, 485995, 777592, 971990, 1943980, 3887960]

約数ペア:

[(1, 3887960), (2, 1943980), (4, 971990), (5, 777592), (8, 485995), (10, 388796), (20, 194398), (37, 105080), (40, 97199), (71, 54760), (74, 52540), (142, 27380), (148, 26270), (185, 21016), (284, 13690), (296, 13135), (355, 10952), (370, 10508), (568, 6845), (710, 5476), (740, 5254), (1369, 2840), (1420, 2738), (1480, 2627)]