978514960

素因数分解:

$2^4\times 5^1\times {\mathrm{181}}^1\times {\mathrm{67577}}^1$

素因数の和:67771

約数の個数: 40

約数和(自身を含む): 2287650456

約数和(自身を除く): 1309135496

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 181, 362, 724, 905, 1448, 1810, 2896, 3620, 7240, 14480, 67577, 135154, 270308, 337885, 540616, 675770, 1081232, 1351540, 2703080, 5406160, 12231437, 24462874, 48925748, 61157185, 97851496, 122314370, 195702992, 244628740, 489257480, 978514960]

約数ペア:

[(1, 978514960), (2, 489257480), (4, 244628740), (5, 195702992), (8, 122314370), (10, 97851496), (16, 61157185), (20, 48925748), (40, 24462874), (80, 12231437), (181, 5406160), (362, 2703080), (724, 1351540), (905, 1081232), (1448, 675770), (1810, 540616), (2896, 337885), (3620, 270308), (7240, 135154), (14480, 67577)]