28536990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{547}}^1$

素因数の和:641

約数の個数: 64

約数和(自身を含む): 71967744

約数和(自身を除く): 43430754

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 37, 47, 74, 94, 111, 141, 185, 222, 235, 282, 370, 470, 547, 555, 705, 1094, 1110, 1410, 1641, 1739, 2735, 3282, 3478, 5217, 5470, 8205, 8695, 10434, 16410, 17390, 20239, 25709, 26085, 40478, 51418, 52170, 60717, 77127, 101195, 121434, 128545, 154254, 202390, 257090, 303585, 385635, 607170, 771270, 951233, 1902466, 2853699, 4756165, 5707398, 9512330, 14268495, 28536990]

約数ペア:

[(1, 28536990), (2, 14268495), (3, 9512330), (5, 5707398), (6, 4756165), (10, 2853699), (15, 1902466), (30, 951233), (37, 771270), (47, 607170), (74, 385635), (94, 303585), (111, 257090), (141, 202390), (185, 154254), (222, 128545), (235, 121434), (282, 101195), (370, 77127), (470, 60717), (547, 52170), (555, 51418), (705, 40478), (1094, 26085), (1110, 25709), (1410, 20239), (1641, 17390), (1739, 16410), (2735, 10434), (3282, 8695), (3478, 8205), (5217, 5470)]