2019656375

素因数分解:

$5^3\times {\mathrm{11}}^2\times {\mathrm{67}}^1\times {\mathrm{1993}}^1$

素因数の和:2097

約数の個数: 48

約数和(自身を含む): 2813262816

約数和(自身を除く): 793606441

約数列:

[1, 5, 11, 25, 55, 67, 121, 125, 275, 335, 605, 737, 1375, 1675, 1993, 3025, 3685, 8107, 8375, 9965, 15125, 18425, 21923, 40535, 49825, 92125, 109615, 133531, 202675, 241153, 249125, 548075, 667655, 1013375, 1205765, 1468841, 2740375, 3338275, 6028825, 7344205, 16157251, 16691375, 30144125, 36721025, 80786255, 183605125, 403931275, 2019656375]

約数ペア:

[(1, 2019656375), (5, 403931275), (11, 183605125), (25, 80786255), (55, 36721025), (67, 30144125), (121, 16691375), (125, 16157251), (275, 7344205), (335, 6028825), (605, 3338275), (737, 2740375), (1375, 1468841), (1675, 1205765), (1993, 1013375), (3025, 667655), (3685, 548075), (8107, 249125), (8375, 241153), (9965, 202675), (15125, 133531), (18425, 109615), (21923, 92125), (40535, 49825)]