488478800

素因数分解:

$2^4\times 5^2\times {\mathrm{1221197}}^1$

素因数の和:1221215

約数の個数: 30

約数和(自身を含む): 1173571278

約数和(自身を除く): 685092478

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 1221197, 2442394, 4884788, 6105985, 9769576, 12211970, 19539152, 24423940, 30529925, 48847880, 61059850, 97695760, 122119700, 244239400, 488478800]

約数ペア:

[(1, 488478800), (2, 244239400), (4, 122119700), (5, 97695760), (8, 61059850), (10, 48847880), (16, 30529925), (20, 24423940), (25, 19539152), (40, 12211970), (50, 9769576), (80, 6105985), (100, 4884788), (200, 2442394), (400, 1221197)]