538448900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{11939}}^1$

素因数の和:12005

約数の個数: 72

約数和(自身を含む): 1305853920

約数和(自身を除く): 767405020

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 41, 44, 50, 55, 82, 100, 110, 164, 205, 220, 275, 410, 451, 550, 820, 902, 1025, 1100, 1804, 2050, 2255, 4100, 4510, 9020, 11275, 11939, 22550, 23878, 45100, 47756, 59695, 119390, 131329, 238780, 262658, 298475, 489499, 525316, 596950, 656645, 978998, 1193900, 1313290, 1957996, 2447495, 2626580, 3283225, 4894990, 5384489, 6566450, 9789980, 10768978, 12237475, 13132900, 21537956, 24474950, 26922445, 48949900, 53844890, 107689780, 134612225, 269224450, 538448900]

約数ペア:

[(1, 538448900), (2, 269224450), (4, 134612225), (5, 107689780), (10, 53844890), (11, 48949900), (20, 26922445), (22, 24474950), (25, 21537956), (41, 13132900), (44, 12237475), (50, 10768978), (55, 9789980), (82, 6566450), (100, 5384489), (110, 4894990), (164, 3283225), (205, 2626580), (220, 2447495), (275, 1957996), (410, 1313290), (451, 1193900), (550, 978998), (820, 656645), (902, 596950), (1025, 525316), (1100, 489499), (1804, 298475), (2050, 262658), (2255, 238780), (4100, 131329), (4510, 119390), (9020, 59695), (11275, 47756), (11939, 45100), (22550, 23878)]