7884520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{971}}^1$

素因数の和:1018

約数の個数: 64

約数和(自身を含む): 20995200

約数和(自身を除く): 13110680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 116, 140, 145, 203, 232, 280, 290, 406, 580, 812, 971, 1015, 1160, 1624, 1942, 2030, 3884, 4060, 4855, 6797, 7768, 8120, 9710, 13594, 19420, 27188, 28159, 33985, 38840, 54376, 56318, 67970, 112636, 135940, 140795, 197113, 225272, 271880, 281590, 394226, 563180, 788452, 985565, 1126360, 1576904, 1971130, 3942260, 7884520]

約数ペア:

[(1, 7884520), (2, 3942260), (4, 1971130), (5, 1576904), (7, 1126360), (8, 985565), (10, 788452), (14, 563180), (20, 394226), (28, 281590), (29, 271880), (35, 225272), (40, 197113), (56, 140795), (58, 135940), (70, 112636), (116, 67970), (140, 56318), (145, 54376), (203, 38840), (232, 33985), (280, 28159), (290, 27188), (406, 19420), (580, 13594), (812, 9710), (971, 8120), (1015, 7768), (1160, 6797), (1624, 4855), (1942, 4060), (2030, 3884)]