173860540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{17491}}^1$

素因数の和:17578

約数の個数: 48

約数和(自身を含む): 423166464

約数和(自身を除く): 249305924

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 4970, 9940, 17491, 34982, 69964, 87455, 122437, 174910, 244874, 349820, 489748, 612185, 1224370, 1241861, 2448740, 2483722, 4967444, 6209305, 8693027, 12418610, 17386054, 24837220, 34772108, 43465135, 86930270, 173860540]

約数ペア:

[(1, 173860540), (2, 86930270), (4, 43465135), (5, 34772108), (7, 24837220), (10, 17386054), (14, 12418610), (20, 8693027), (28, 6209305), (35, 4967444), (70, 2483722), (71, 2448740), (140, 1241861), (142, 1224370), (284, 612185), (355, 489748), (497, 349820), (710, 244874), (994, 174910), (1420, 122437), (1988, 87455), (2485, 69964), (4970, 34982), (9940, 17491)]