2005188870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{647}}^1\times {\mathrm{103307}}^1$

素因数の和:103964

約数の個数: 32

約数和(自身を含む): 4819938048

約数和(自身を除く): 2814749178

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 647, 1294, 1941, 3235, 3882, 6470, 9705, 19410, 103307, 206614, 309921, 516535, 619842, 1033070, 1549605, 3099210, 66839629, 133679258, 200518887, 334198145, 401037774, 668396290, 1002594435, 2005188870]

約数ペア:

[(1, 2005188870), (2, 1002594435), (3, 668396290), (5, 401037774), (6, 334198145), (10, 200518887), (15, 133679258), (30, 66839629), (647, 3099210), (1294, 1549605), (1941, 1033070), (3235, 619842), (3882, 516535), (6470, 309921), (9705, 206614), (19410, 103307)]