28973800

素因数分解:

$2^3\times 5^2\times {\mathrm{317}}^1\times {\mathrm{457}}^1$

素因数の和:790

約数の個数: 48

約数和(自身を含む): 67724460

約数和(自身を除く): 38750660

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 317, 457, 634, 914, 1268, 1585, 1828, 2285, 2536, 3170, 3656, 4570, 6340, 7925, 9140, 11425, 12680, 15850, 18280, 22850, 31700, 45700, 63400, 91400, 144869, 289738, 579476, 724345, 1158952, 1448690, 2897380, 3621725, 5794760, 7243450, 14486900, 28973800]

約数ペア:

[(1, 28973800), (2, 14486900), (4, 7243450), (5, 5794760), (8, 3621725), (10, 2897380), (20, 1448690), (25, 1158952), (40, 724345), (50, 579476), (100, 289738), (200, 144869), (317, 91400), (457, 63400), (634, 45700), (914, 31700), (1268, 22850), (1585, 18280), (1828, 15850), (2285, 12680), (2536, 11425), (3170, 9140), (3656, 7925), (4570, 6340)]