7742420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1907}}^1$

素因数の和:1952

約数の個数: 48

約数和(自身を含む): 19232640

約数和(自身を除く): 11490220

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, 1907, 2030, 3814, 4060, 7628, 9535, 13349, 19070, 26698, 38140, 53396, 55303, 66745, 110606, 133490, 221212, 266980, 276515, 387121, 553030, 774242, 1106060, 1548484, 1935605, 3871210, 7742420]

約数ペア:

[(1, 7742420), (2, 3871210), (4, 1935605), (5, 1548484), (7, 1106060), (10, 774242), (14, 553030), (20, 387121), (28, 276515), (29, 266980), (35, 221212), (58, 133490), (70, 110606), (116, 66745), (140, 55303), (145, 53396), (203, 38140), (290, 26698), (406, 19070), (580, 13349), (812, 9535), (1015, 7628), (1907, 4060), (2030, 3814)]