56980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1$

素因数の和:64

約数の個数: 48

約数和(自身を含む): 153216

約数和(自身を除く): 96236

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 37, 44, 55, 70, 74, 77, 110, 140, 148, 154, 185, 220, 259, 308, 370, 385, 407, 518, 740, 770, 814, 1036, 1295, 1540, 1628, 2035, 2590, 2849, 4070, 5180, 5698, 8140, 11396, 14245, 28490, 56980]

約数ペア:

[(1, 56980), (2, 28490), (4, 14245), (5, 11396), (7, 8140), (10, 5698), (11, 5180), (14, 4070), (20, 2849), (22, 2590), (28, 2035), (35, 1628), (37, 1540), (44, 1295), (55, 1036), (70, 814), (74, 770), (77, 740), (110, 518), (140, 407), (148, 385), (154, 370), (185, 308), (220, 259)]