157810180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{19387}}^1$

素因数の和:19444

約数の個数: 48

約数和(自身を含む): 371318976

約数和(自身を除く): 213508796

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 110, 148, 185, 220, 370, 407, 740, 814, 1628, 2035, 4070, 8140, 19387, 38774, 77548, 96935, 193870, 213257, 387740, 426514, 717319, 853028, 1066285, 1434638, 2132570, 2869276, 3586595, 4265140, 7173190, 7890509, 14346380, 15781018, 31562036, 39452545, 78905090, 157810180]

約数ペア:

[(1, 157810180), (2, 78905090), (4, 39452545), (5, 31562036), (10, 15781018), (11, 14346380), (20, 7890509), (22, 7173190), (37, 4265140), (44, 3586595), (55, 2869276), (74, 2132570), (110, 1434638), (148, 1066285), (185, 853028), (220, 717319), (370, 426514), (407, 387740), (740, 213257), (814, 193870), (1628, 96935), (2035, 77548), (4070, 38774), (8140, 19387)]