978545200

素因数分解:

$2^4\times 5^2\times {\mathrm{2446363}}^1$

素因数の和:2446381

約数の個数: 30

約数和(自身を含む): 2350955804

約数和(自身を除く): 1372410604

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 2446363, 4892726, 9785452, 12231815, 19570904, 24463630, 39141808, 48927260, 61159075, 97854520, 122318150, 195709040, 244636300, 489272600, 978545200]

約数ペア:

[(1, 978545200), (2, 489272600), (4, 244636300), (5, 195709040), (8, 122318150), (10, 97854520), (16, 61159075), (20, 48927260), (25, 39141808), (40, 24463630), (50, 19570904), (80, 12231815), (100, 9785452), (200, 4892726), (400, 2446363)]