28758250

素因数分解:

$2^1\times 5^3\times {\mathrm{37}}^1\times {\mathrm{3109}}^1$

素因数の和:3163

約数の個数: 32

約数和(自身を含む): 55308240

約数和(自身を除く): 26549990

約数列:

[1, 2, 5, 10, 25, 37, 50, 74, 125, 185, 250, 370, 925, 1850, 3109, 4625, 6218, 9250, 15545, 31090, 77725, 115033, 155450, 230066, 388625, 575165, 777250, 1150330, 2875825, 5751650, 14379125, 28758250]

約数ペア:

[(1, 28758250), (2, 14379125), (5, 5751650), (10, 2875825), (25, 1150330), (37, 777250), (50, 575165), (74, 388625), (125, 230066), (185, 155450), (250, 115033), (370, 77725), (925, 31090), (1850, 15545), (3109, 9250), (4625, 6218)]