30908000

素因数分解:

$2^5\times 5^3\times {\mathrm{7727}}^1$

素因数の和:7752

約数の個数: 48

約数和(自身を含む): 75950784

約数和(自身を除く): 45042784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 800, 1000, 2000, 4000, 7727, 15454, 30908, 38635, 61816, 77270, 123632, 154540, 193175, 247264, 309080, 386350, 618160, 772700, 965875, 1236320, 1545400, 1931750, 3090800, 3863500, 6181600, 7727000, 15454000, 30908000]

約数ペア:

[(1, 30908000), (2, 15454000), (4, 7727000), (5, 6181600), (8, 3863500), (10, 3090800), (16, 1931750), (20, 1545400), (25, 1236320), (32, 965875), (40, 772700), (50, 618160), (80, 386350), (100, 309080), (125, 247264), (160, 193175), (200, 154540), (250, 123632), (400, 77270), (500, 61816), (800, 38635), (1000, 30908), (2000, 15454), (4000, 7727)]