28767500

素因数分解:

$2^2\times 5^4\times {\mathrm{37}}^1\times {\mathrm{311}}^1$

素因数の和:372

約数の個数: 60

約数和(自身を含む): 64816752

約数和(自身を除く): 36049252

約数列:

[1, 2, 4, 5, 10, 20, 25, 37, 50, 74, 100, 125, 148, 185, 250, 311, 370, 500, 622, 625, 740, 925, 1244, 1250, 1555, 1850, 2500, 3110, 3700, 4625, 6220, 7775, 9250, 11507, 15550, 18500, 23014, 23125, 31100, 38875, 46028, 46250, 57535, 77750, 92500, 115070, 155500, 194375, 230140, 287675, 388750, 575350, 777500, 1150700, 1438375, 2876750, 5753500, 7191875, 14383750, 28767500]

約数ペア:

[(1, 28767500), (2, 14383750), (4, 7191875), (5, 5753500), (10, 2876750), (20, 1438375), (25, 1150700), (37, 777500), (50, 575350), (74, 388750), (100, 287675), (125, 230140), (148, 194375), (185, 155500), (250, 115070), (311, 92500), (370, 77750), (500, 57535), (622, 46250), (625, 46028), (740, 38875), (925, 31100), (1244, 23125), (1250, 23014), (1555, 18500), (1850, 15550), (2500, 11507), (3110, 9250), (3700, 7775), (4625, 6220)]