204578820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{11717}}^1$

素因数の和:11829

約数の個数: 72

約数和(自身を含む): 627006744

約数和(自身を除く): 422427924

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 97, 180, 194, 291, 388, 485, 582, 873, 970, 1164, 1455, 1746, 1940, 2910, 3492, 4365, 5820, 8730, 11717, 17460, 23434, 35151, 46868, 58585, 70302, 105453, 117170, 140604, 175755, 210906, 234340, 351510, 421812, 527265, 703020, 1054530, 1136549, 2109060, 2273098, 3409647, 4546196, 5682745, 6819294, 10228941, 11365490, 13638588, 17048235, 20457882, 22730980, 34096470, 40915764, 51144705, 68192940, 102289410, 204578820]

約数ペア:

[(1, 204578820), (2, 102289410), (3, 68192940), (4, 51144705), (5, 40915764), (6, 34096470), (9, 22730980), (10, 20457882), (12, 17048235), (15, 13638588), (18, 11365490), (20, 10228941), (30, 6819294), (36, 5682745), (45, 4546196), (60, 3409647), (90, 2273098), (97, 2109060), (180, 1136549), (194, 1054530), (291, 703020), (388, 527265), (485, 421812), (582, 351510), (873, 234340), (970, 210906), (1164, 175755), (1455, 140604), (1746, 117170), (1940, 105453), (2910, 70302), (3492, 58585), (4365, 46868), (5820, 35151), (8730, 23434), (11717, 17460)]