19782350

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1949}}^1$

素因数の和:1997

約数の個数: 48

約数和(自身を含む): 43524000

約数和(自身を除く): 23741650

約数列:

[1, 2, 5, 7, 10, 14, 25, 29, 35, 50, 58, 70, 145, 175, 203, 290, 350, 406, 725, 1015, 1450, 1949, 2030, 3898, 5075, 9745, 10150, 13643, 19490, 27286, 48725, 56521, 68215, 97450, 113042, 136430, 282605, 341075, 395647, 565210, 682150, 791294, 1413025, 1978235, 2826050, 3956470, 9891175, 19782350]

約数ペア:

[(1, 19782350), (2, 9891175), (5, 3956470), (7, 2826050), (10, 1978235), (14, 1413025), (25, 791294), (29, 682150), (35, 565210), (50, 395647), (58, 341075), (70, 282605), (145, 136430), (175, 113042), (203, 97450), (290, 68215), (350, 56521), (406, 48725), (725, 27286), (1015, 19490), (1450, 13643), (1949, 10150), (2030, 9745), (3898, 5075)]