31099000

素因数分解:

$2^3\times 5^3\times {\mathrm{137}}^1\times {\mathrm{227}}^1$

素因数の和:385

約数の個数: 64

約数和(自身を含む): 73625760

約数和(自身を除く): 42526760

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 137, 200, 227, 250, 274, 454, 500, 548, 685, 908, 1000, 1096, 1135, 1370, 1816, 2270, 2740, 3425, 4540, 5480, 5675, 6850, 9080, 11350, 13700, 17125, 22700, 27400, 28375, 31099, 34250, 45400, 56750, 62198, 68500, 113500, 124396, 137000, 155495, 227000, 248792, 310990, 621980, 777475, 1243960, 1554950, 3109900, 3887375, 6219800, 7774750, 15549500, 31099000]

約数ペア:

[(1, 31099000), (2, 15549500), (4, 7774750), (5, 6219800), (8, 3887375), (10, 3109900), (20, 1554950), (25, 1243960), (40, 777475), (50, 621980), (100, 310990), (125, 248792), (137, 227000), (200, 155495), (227, 137000), (250, 124396), (274, 113500), (454, 68500), (500, 62198), (548, 56750), (685, 45400), (908, 34250), (1000, 31099), (1096, 28375), (1135, 27400), (1370, 22700), (1816, 17125), (2270, 13700), (2740, 11350), (3425, 9080), (4540, 6850), (5480, 5675)]