28396760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{2741}}^1$

素因数の和:2796

約数の個数: 64

約数和(自身を含む): 75021120

約数和(自身を除く): 46624360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 56, 70, 74, 140, 148, 185, 259, 280, 296, 370, 518, 740, 1036, 1295, 1480, 2072, 2590, 2741, 5180, 5482, 10360, 10964, 13705, 19187, 21928, 27410, 38374, 54820, 76748, 95935, 101417, 109640, 153496, 191870, 202834, 383740, 405668, 507085, 709919, 767480, 811336, 1014170, 1419838, 2028340, 2839676, 3549595, 4056680, 5679352, 7099190, 14198380, 28396760]

約数ペア:

[(1, 28396760), (2, 14198380), (4, 7099190), (5, 5679352), (7, 4056680), (8, 3549595), (10, 2839676), (14, 2028340), (20, 1419838), (28, 1014170), (35, 811336), (37, 767480), (40, 709919), (56, 507085), (70, 405668), (74, 383740), (140, 202834), (148, 191870), (185, 153496), (259, 109640), (280, 101417), (296, 95935), (370, 76748), (518, 54820), (740, 38374), (1036, 27410), (1295, 21928), (1480, 19187), (2072, 13705), (2590, 10964), (2741, 10360), (5180, 5482)]