18799900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{251}}^1$

素因数の和:379

約数の個数: 72

約数和(自身を含む): 47246976

約数和(自身を除く): 28447076

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 107, 140, 175, 214, 251, 350, 428, 502, 535, 700, 749, 1004, 1070, 1255, 1498, 1757, 2140, 2510, 2675, 2996, 3514, 3745, 5020, 5350, 6275, 7028, 7490, 8785, 10700, 12550, 14980, 17570, 18725, 25100, 26857, 35140, 37450, 43925, 53714, 74900, 87850, 107428, 134285, 175700, 187999, 268570, 375998, 537140, 671425, 751996, 939995, 1342850, 1879990, 2685700, 3759980, 4699975, 9399950, 18799900]

約数ペア:

[(1, 18799900), (2, 9399950), (4, 4699975), (5, 3759980), (7, 2685700), (10, 1879990), (14, 1342850), (20, 939995), (25, 751996), (28, 671425), (35, 537140), (50, 375998), (70, 268570), (100, 187999), (107, 175700), (140, 134285), (175, 107428), (214, 87850), (251, 74900), (350, 53714), (428, 43925), (502, 37450), (535, 35140), (700, 26857), (749, 25100), (1004, 18725), (1070, 17570), (1255, 14980), (1498, 12550), (1757, 10700), (2140, 8785), (2510, 7490), (2675, 7028), (2996, 6275), (3514, 5350), (3745, 5020)]