209901610

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^2\times {\mathrm{5641}}^1$

素因数の和:5770

約数の個数: 24

約数和(自身を含む): 384186348

約数和(自身を除く): 174284738

約数列:

[1, 2, 5, 10, 61, 122, 305, 610, 3721, 5641, 7442, 11282, 18605, 28205, 37210, 56410, 344101, 688202, 1720505, 3441010, 20990161, 41980322, 104950805, 209901610]

約数ペア:

[(1, 209901610), (2, 104950805), (5, 41980322), (10, 20990161), (61, 3441010), (122, 1720505), (305, 688202), (610, 344101), (3721, 56410), (5641, 37210), (7442, 28205), (11282, 18605)]