280180454428

素因数分解:

$2^2\times 7^1\times {\mathrm{887}}^1\times {\mathrm{2137}}^1\times {\mathrm{5279}}^1$

素因数の和:8314

約数の個数: 48

約数和(自身を含む): 561361489920

約数和(自身を除く): 281181035492

約数列:

[1, 2, 4, 7, 14, 28, 887, 1774, 2137, 3548, 4274, 5279, 6209, 8548, 10558, 12418, 14959, 21116, 24836, 29918, 36953, 59836, 73906, 147812, 1895519, 3791038, 4682473, 7582076, 9364946, 11281223, 13268633, 18729892, 22562446, 26537266, 32777311, 45124892, 53074532, 65554622, 78968561, 131109244, 157937122, 315874244, 10006444801, 20012889602, 40025779204, 70045113607, 140090227214, 280180454428]

約数ペア:

[(1, 280180454428), (2, 140090227214), (4, 70045113607), (7, 40025779204), (14, 20012889602), (28, 10006444801), (887, 315874244), (1774, 157937122), (2137, 131109244), (3548, 78968561), (4274, 65554622), (5279, 53074532), (6209, 45124892), (8548, 32777311), (10558, 26537266), (12418, 22562446), (14959, 18729892), (21116, 13268633), (24836, 11281223), (29918, 9364946), (36953, 7582076), (59836, 4682473), (73906, 3791038), (147812, 1895519)]