28433020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{499}}^1$

素因数の和:563

約数の個数: 96

約数和(自身を含む): 76608000

約数和(自身を除く): 48174980

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 37, 44, 55, 70, 74, 77, 110, 140, 148, 154, 185, 220, 259, 308, 370, 385, 407, 499, 518, 740, 770, 814, 998, 1036, 1295, 1540, 1628, 1996, 2035, 2495, 2590, 2849, 3493, 4070, 4990, 5180, 5489, 5698, 6986, 8140, 9980, 10978, 11396, 13972, 14245, 17465, 18463, 21956, 27445, 28490, 34930, 36926, 38423, 54890, 56980, 69860, 73852, 76846, 92315, 109780, 129241, 153692, 184630, 192115, 203093, 258482, 369260, 384230, 406186, 516964, 646205, 768460, 812372, 1015465, 1292410, 1421651, 2030930, 2584820, 2843302, 4061860, 5686604, 7108255, 14216510, 28433020]

約数ペア:

[(1, 28433020), (2, 14216510), (4, 7108255), (5, 5686604), (7, 4061860), (10, 2843302), (11, 2584820), (14, 2030930), (20, 1421651), (22, 1292410), (28, 1015465), (35, 812372), (37, 768460), (44, 646205), (55, 516964), (70, 406186), (74, 384230), (77, 369260), (110, 258482), (140, 203093), (148, 192115), (154, 184630), (185, 153692), (220, 129241), (259, 109780), (308, 92315), (370, 76846), (385, 73852), (407, 69860), (499, 56980), (518, 54890), (740, 38423), (770, 36926), (814, 34930), (998, 28490), (1036, 27445), (1295, 21956), (1540, 18463), (1628, 17465), (1996, 14245), (2035, 13972), (2495, 11396), (2590, 10978), (2849, 9980), (3493, 8140), (4070, 6986), (4990, 5698), (5180, 5489)]