28513020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{10111}}^1$

素因数の和:10170

約数の個数: 48

約数和(自身を含む): 81543168

約数和(自身を除く): 53030148

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 47, 60, 94, 141, 188, 235, 282, 470, 564, 705, 940, 1410, 2820, 10111, 20222, 30333, 40444, 50555, 60666, 101110, 121332, 151665, 202220, 303330, 475217, 606660, 950434, 1425651, 1900868, 2376085, 2851302, 4752170, 5702604, 7128255, 9504340, 14256510, 28513020]

約数ペア:

[(1, 28513020), (2, 14256510), (3, 9504340), (4, 7128255), (5, 5702604), (6, 4752170), (10, 2851302), (12, 2376085), (15, 1900868), (20, 1425651), (30, 950434), (47, 606660), (60, 475217), (94, 303330), (141, 202220), (188, 151665), (235, 121332), (282, 101110), (470, 60666), (564, 50555), (705, 40444), (940, 30333), (1410, 20222), (2820, 10111)]