30028000

素因数分解:

$2^5\times 5^3\times {\mathrm{7507}}^1$

素因数の和:7532

約数の個数: 48

約数和(自身を含む): 73788624

約数和(自身を除く): 43760624

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, 7507, 15014, 30028, 37535, 60056, 75070, 120112, 150140, 187675, 240224, 300280, 375350, 600560, 750700, 938375, 1201120, 1501400, 1876750, 3002800, 3753500, 6005600, 7507000, 15014000, 30028000]

約数ペア:

[(1, 30028000), (2, 15014000), (4, 7507000), (5, 6005600), (8, 3753500), (10, 3002800), (16, 1876750), (20, 1501400), (25, 1201120), (32, 938375), (40, 750700), (50, 600560), (80, 375350), (100, 300280), (125, 240224), (160, 187675), (200, 150140), (250, 120112), (400, 75070), (500, 60056), (800, 37535), (1000, 30028), (2000, 15014), (4000, 7507)]