249877820

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{151}}^1\times {\mathrm{853}}^1$

素因数の和:1110

約数の個数: 48

約数和(自身を含む): 534289728

約数和(自身を除く): 284411908

約数列:

[1, 2, 4, 5, 10, 20, 97, 151, 194, 302, 388, 485, 604, 755, 853, 970, 1510, 1706, 1940, 3020, 3412, 4265, 8530, 14647, 17060, 29294, 58588, 73235, 82741, 128803, 146470, 165482, 257606, 292940, 330964, 413705, 515212, 644015, 827410, 1288030, 1654820, 2576060, 12493891, 24987782, 49975564, 62469455, 124938910, 249877820]

約数ペア:

[(1, 249877820), (2, 124938910), (4, 62469455), (5, 49975564), (10, 24987782), (20, 12493891), (97, 2576060), (151, 1654820), (194, 1288030), (302, 827410), (388, 644015), (485, 515212), (604, 413705), (755, 330964), (853, 292940), (970, 257606), (1510, 165482), (1706, 146470), (1940, 128803), (3020, 82741), (3412, 73235), (4265, 58588), (8530, 29294), (14647, 17060)]