3969100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{2089}}^1$

素因数の和:2122

約数の個数: 36

約数和(自身を含む): 9070600

約数和(自身を除く): 5101500

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1900, 2089, 4178, 8356, 10445, 20890, 39691, 41780, 52225, 79382, 104450, 158764, 198455, 208900, 396910, 793820, 992275, 1984550, 3969100]

約数ペア:

[(1, 3969100), (2, 1984550), (4, 992275), (5, 793820), (10, 396910), (19, 208900), (20, 198455), (25, 158764), (38, 104450), (50, 79382), (76, 52225), (95, 41780), (100, 39691), (190, 20890), (380, 10445), (475, 8356), (950, 4178), (1900, 2089)]