280076300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{400109}}^1$

素因数の和:400130

約数の個数: 36

約数和(自身を含む): 694590960

約数和(自身を除く): 414514660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 700, 400109, 800218, 1600436, 2000545, 2800763, 4001090, 5601526, 8002180, 10002725, 11203052, 14003815, 20005450, 28007630, 40010900, 56015260, 70019075, 140038150, 280076300]

約数ペア:

[(1, 280076300), (2, 140038150), (4, 70019075), (5, 56015260), (7, 40010900), (10, 28007630), (14, 20005450), (20, 14003815), (25, 11203052), (28, 10002725), (35, 8002180), (50, 5601526), (70, 4001090), (100, 2800763), (140, 2000545), (175, 1600436), (350, 800218), (700, 400109)]