2015900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{1061}}^1$

素因数の和:1094

約数の個数: 36

約数和(自身を含む): 4609080

約数和(自身を除く): 2593180

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1061, 1900, 2122, 4244, 5305, 10610, 20159, 21220, 26525, 40318, 53050, 80636, 100795, 106100, 201590, 403180, 503975, 1007950, 2015900]

約数ペア:

[(1, 2015900), (2, 1007950), (4, 503975), (5, 403180), (10, 201590), (19, 106100), (20, 100795), (25, 80636), (38, 53050), (50, 40318), (76, 26525), (95, 21220), (100, 20159), (190, 10610), (380, 5305), (475, 4244), (950, 2122), (1061, 1900)]