2740000

素因数分解:

$2^5\times 5^4\times {\mathrm{137}}^1$

素因数の和:167

約数の個数: 60

約数和(自身を含む): 6790014

約数和(自身を除く): 4050014

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 137, 160, 200, 250, 274, 400, 500, 548, 625, 685, 800, 1000, 1096, 1250, 1370, 2000, 2192, 2500, 2740, 3425, 4000, 4384, 5000, 5480, 6850, 10000, 10960, 13700, 17125, 20000, 21920, 27400, 34250, 54800, 68500, 85625, 109600, 137000, 171250, 274000, 342500, 548000, 685000, 1370000, 2740000]

約数ペア:

[(1, 2740000), (2, 1370000), (4, 685000), (5, 548000), (8, 342500), (10, 274000), (16, 171250), (20, 137000), (25, 109600), (32, 85625), (40, 68500), (50, 54800), (80, 34250), (100, 27400), (125, 21920), (137, 20000), (160, 17125), (200, 13700), (250, 10960), (274, 10000), (400, 6850), (500, 5480), (548, 5000), (625, 4384), (685, 4000), (800, 3425), (1000, 2740), (1096, 2500), (1250, 2192), (1370, 2000)]