2018156780

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{761}}^1\times {\mathrm{1367}}^1$

素因数の和:2234

約数の個数: 48

約数和(自身を含む): 4290584256

約数和(自身を除く): 2272427476

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 761, 970, 1367, 1522, 1940, 2734, 3044, 3805, 5468, 6835, 7610, 13670, 15220, 27340, 73817, 132599, 147634, 265198, 295268, 369085, 530396, 662995, 738170, 1040287, 1325990, 1476340, 2080574, 2651980, 4161148, 5201435, 10402870, 20805740, 100907839, 201815678, 403631356, 504539195, 1009078390, 2018156780]

約数ペア:

[(1, 2018156780), (2, 1009078390), (4, 504539195), (5, 403631356), (10, 201815678), (20, 100907839), (97, 20805740), (194, 10402870), (388, 5201435), (485, 4161148), (761, 2651980), (970, 2080574), (1367, 1476340), (1522, 1325990), (1940, 1040287), (2734, 738170), (3044, 662995), (3805, 530396), (5468, 369085), (6835, 295268), (7610, 265198), (13670, 147634), (15220, 132599), (27340, 73817)]