489573620

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{12703}}^1$

素因数の和:12800

約数の個数: 48

約数和(自身を含む): 1075673088

約数和(自身を除く): 586099468

約数列:

[1, 2, 4, 5, 10, 20, 41, 47, 82, 94, 164, 188, 205, 235, 410, 470, 820, 940, 1927, 3854, 7708, 9635, 12703, 19270, 25406, 38540, 50812, 63515, 127030, 254060, 520823, 597041, 1041646, 1194082, 2083292, 2388164, 2604115, 2985205, 5208230, 5970410, 10416460, 11940820, 24478681, 48957362, 97914724, 122393405, 244786810, 489573620]

約数ペア:

[(1, 489573620), (2, 244786810), (4, 122393405), (5, 97914724), (10, 48957362), (20, 24478681), (41, 11940820), (47, 10416460), (82, 5970410), (94, 5208230), (164, 2985205), (188, 2604115), (205, 2388164), (235, 2083292), (410, 1194082), (470, 1041646), (820, 597041), (940, 520823), (1927, 254060), (3854, 127030), (7708, 63515), (9635, 50812), (12703, 38540), (19270, 25406)]