249372910

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{233}}^1$

素因数の和:433

約数の個数: 64

約数和(自身を含む): 489265920

約数和(自身を除く): 239893010

約数列:

[1, 2, 5, 10, 19, 38, 43, 86, 95, 131, 190, 215, 233, 262, 430, 466, 655, 817, 1165, 1310, 1634, 2330, 2489, 4085, 4427, 4978, 5633, 8170, 8854, 10019, 11266, 12445, 20038, 22135, 24890, 28165, 30523, 44270, 50095, 56330, 61046, 100190, 107027, 152615, 190361, 214054, 305230, 380722, 535135, 579937, 951805, 1070270, 1159874, 1312489, 1903610, 2624978, 2899685, 5799370, 6562445, 13124890, 24937291, 49874582, 124686455, 249372910]

約数ペア:

[(1, 249372910), (2, 124686455), (5, 49874582), (10, 24937291), (19, 13124890), (38, 6562445), (43, 5799370), (86, 2899685), (95, 2624978), (131, 1903610), (190, 1312489), (215, 1159874), (233, 1070270), (262, 951805), (430, 579937), (466, 535135), (655, 380722), (817, 305230), (1165, 214054), (1310, 190361), (1634, 152615), (2330, 107027), (2489, 100190), (4085, 61046), (4427, 56330), (4978, 50095), (5633, 44270), (8170, 30523), (8854, 28165), (10019, 24890), (11266, 22135), (12445, 20038)]