2698540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1$

素因数の和:226

約数の個数: 48

約数和(自身を含む): 6223392

約数和(自身を除く): 3524852

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 97, 107, 130, 194, 214, 260, 388, 428, 485, 535, 970, 1070, 1261, 1391, 1940, 2140, 2522, 2782, 5044, 5564, 6305, 6955, 10379, 12610, 13910, 20758, 25220, 27820, 41516, 51895, 103790, 134927, 207580, 269854, 539708, 674635, 1349270, 2698540]

約数ペア:

[(1, 2698540), (2, 1349270), (4, 674635), (5, 539708), (10, 269854), (13, 207580), (20, 134927), (26, 103790), (52, 51895), (65, 41516), (97, 27820), (107, 25220), (130, 20758), (194, 13910), (214, 12610), (260, 10379), (388, 6955), (428, 6305), (485, 5564), (535, 5044), (970, 2782), (1070, 2522), (1261, 2140), (1391, 1940)]