2649206840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{326257}}^1$

素因数の和:326304

約数の個数: 64

約数和(自身を含む): 7047172800

約数和(自身を除く): 4397965960

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, 1015, 1160, 1624, 2030, 4060, 8120, 326257, 652514, 1305028, 1631285, 2283799, 2610056, 3262570, 4567598, 6525140, 9135196, 9461453, 11418995, 13050280, 18270392, 18922906, 22837990, 37845812, 45675980, 47307265, 66230171, 75691624, 91351960, 94614530, 132460342, 189229060, 264920684, 331150855, 378458120, 529841368, 662301710, 1324603420, 2649206840]

約数ペア:

[(1, 2649206840), (2, 1324603420), (4, 662301710), (5, 529841368), (7, 378458120), (8, 331150855), (10, 264920684), (14, 189229060), (20, 132460342), (28, 94614530), (29, 91351960), (35, 75691624), (40, 66230171), (56, 47307265), (58, 45675980), (70, 37845812), (116, 22837990), (140, 18922906), (145, 18270392), (203, 13050280), (232, 11418995), (280, 9461453), (290, 9135196), (406, 6525140), (580, 4567598), (812, 3262570), (1015, 2610056), (1160, 2283799), (1624, 1631285), (2030, 1305028), (4060, 652514), (8120, 326257)]