7912940

素因数分解:

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

素因数の和:1994

約数の個数: 48

約数和(自身を含む): 19656000

約数和(自身を除く): 11743060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 1949, 2030, 3898, 4060, 7796, 9745, 13643, 19490, 27286, 38980, 54572, 56521, 68215, 113042, 136430, 226084, 272860, 282605, 395647, 565210, 791294, 1130420, 1582588, 1978235, 3956470, 7912940]

約数ペア:

[(1, 7912940), (2, 3956470), (4, 1978235), (5, 1582588), (7, 1130420), (10, 791294), (14, 565210), (20, 395647), (28, 282605), (29, 272860), (35, 226084), (58, 136430), (70, 113042), (116, 68215), (140, 56521), (145, 54572), (203, 38980), (290, 27286), (406, 19490), (580, 13643), (812, 9745), (1015, 7796), (1949, 4060), (2030, 3898)]