260038408

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^3\times {\mathrm{677}}^1$

素因数の和:747

約数の個数: 64

約数和(自身を含む): 589046400

約数和(自身を除く): 329007992

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 361, 532, 677, 722, 1064, 1354, 1444, 2527, 2708, 2888, 4739, 5054, 5416, 6859, 9478, 10108, 12863, 13718, 18956, 20216, 25726, 27436, 37912, 48013, 51452, 54872, 90041, 96026, 102904, 180082, 192052, 244397, 360164, 384104, 488794, 720328, 977588, 1710779, 1955176, 3421558, 4643543, 6843116, 9287086, 13686232, 18574172, 32504801, 37148344, 65009602, 130019204, 260038408]

約数ペア:

[(1, 260038408), (2, 130019204), (4, 65009602), (7, 37148344), (8, 32504801), (14, 18574172), (19, 13686232), (28, 9287086), (38, 6843116), (56, 4643543), (76, 3421558), (133, 1955176), (152, 1710779), (266, 977588), (361, 720328), (532, 488794), (677, 384104), (722, 360164), (1064, 244397), (1354, 192052), (1444, 180082), (2527, 102904), (2708, 96026), (2888, 90041), (4739, 54872), (5054, 51452), (5416, 48013), (6859, 37912), (9478, 27436), (10108, 25726), (12863, 20216), (13718, 18956)]