128468500

素因数分解:

$2^2\times 5^3\times {\mathrm{19}}^1\times {\mathrm{13523}}^1$

素因数の和:13561

約数の個数: 48

約数和(自身を含む): 295364160

約数和(自身を除く): 166895660

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 125, 190, 250, 380, 475, 500, 950, 1900, 2375, 4750, 9500, 13523, 27046, 54092, 67615, 135230, 256937, 270460, 338075, 513874, 676150, 1027748, 1284685, 1352300, 1690375, 2569370, 3380750, 5138740, 6423425, 6761500, 12846850, 25693700, 32117125, 64234250, 128468500]

約数ペア:

[(1, 128468500), (2, 64234250), (4, 32117125), (5, 25693700), (10, 12846850), (19, 6761500), (20, 6423425), (25, 5138740), (38, 3380750), (50, 2569370), (76, 1690375), (95, 1352300), (100, 1284685), (125, 1027748), (190, 676150), (250, 513874), (380, 338075), (475, 270460), (500, 256937), (950, 135230), (1900, 67615), (2375, 54092), (4750, 27046), (9500, 13523)]