204640820

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{7507}}^1$

素因数の和:7592

約数の個数: 48

約数和(自身を含む): 454083840

約数和(自身を除く): 249443020

約数列:

[1, 2, 4, 5, 10, 20, 29, 47, 58, 94, 116, 145, 188, 235, 290, 470, 580, 940, 1363, 2726, 5452, 6815, 7507, 13630, 15014, 27260, 30028, 37535, 75070, 150140, 217703, 352829, 435406, 705658, 870812, 1088515, 1411316, 1764145, 2177030, 3528290, 4354060, 7056580, 10232041, 20464082, 40928164, 51160205, 102320410, 204640820]

約数ペア:

[(1, 204640820), (2, 102320410), (4, 51160205), (5, 40928164), (10, 20464082), (20, 10232041), (29, 7056580), (47, 4354060), (58, 3528290), (94, 2177030), (116, 1764145), (145, 1411316), (188, 1088515), (235, 870812), (290, 705658), (470, 435406), (580, 352829), (940, 217703), (1363, 150140), (2726, 75070), (5452, 37535), (6815, 30028), (7507, 27260), (13630, 15014)]