55455260

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{797}}^1$

素因数の和:891

約数の個数: 72

約数和(自身を含む): 137549664

約数和(自身を除く): 82094404

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 71, 98, 140, 142, 196, 245, 284, 355, 490, 497, 710, 797, 980, 994, 1420, 1594, 1988, 2485, 3188, 3479, 3985, 4970, 5579, 6958, 7970, 9940, 11158, 13916, 15940, 17395, 22316, 27895, 34790, 39053, 55790, 56587, 69580, 78106, 111580, 113174, 156212, 195265, 226348, 282935, 390530, 396109, 565870, 781060, 792218, 1131740, 1584436, 1980545, 2772763, 3961090, 5545526, 7922180, 11091052, 13863815, 27727630, 55455260]

約数ペア:

[(1, 55455260), (2, 27727630), (4, 13863815), (5, 11091052), (7, 7922180), (10, 5545526), (14, 3961090), (20, 2772763), (28, 1980545), (35, 1584436), (49, 1131740), (70, 792218), (71, 781060), (98, 565870), (140, 396109), (142, 390530), (196, 282935), (245, 226348), (284, 195265), (355, 156212), (490, 113174), (497, 111580), (710, 78106), (797, 69580), (980, 56587), (994, 55790), (1420, 39053), (1594, 34790), (1988, 27895), (2485, 22316), (3188, 17395), (3479, 15940), (3985, 13916), (4970, 11158), (5579, 9940), (6958, 7970)]