179990140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{12211}}^1$

素因数の和:12298

約数の個数: 48

約数和(自身を含む): 418529664

約数和(自身を除く): 238539524

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 67, 110, 134, 220, 268, 335, 670, 737, 1340, 1474, 2948, 3685, 7370, 12211, 14740, 24422, 48844, 61055, 122110, 134321, 244220, 268642, 537284, 671605, 818137, 1343210, 1636274, 2686420, 3272548, 4090685, 8181370, 8999507, 16362740, 17999014, 35998028, 44997535, 89995070, 179990140]

約数ペア:

[(1, 179990140), (2, 89995070), (4, 44997535), (5, 35998028), (10, 17999014), (11, 16362740), (20, 8999507), (22, 8181370), (44, 4090685), (55, 3272548), (67, 2686420), (110, 1636274), (134, 1343210), (220, 818137), (268, 671605), (335, 537284), (670, 268642), (737, 244220), (1340, 134321), (1474, 122110), (2948, 61055), (3685, 48844), (7370, 24422), (12211, 14740)]