97982800

素因数分解:

$2^4\times 5^2\times {\mathrm{244957}}^1$

素因数の和:244975

約数の個数: 30

約数和(自身を含む): 235404638

約数和(自身を除く): 137421838

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 244957, 489914, 979828, 1224785, 1959656, 2449570, 3919312, 4899140, 6123925, 9798280, 12247850, 19596560, 24495700, 48991400, 97982800]

約数ペア:

[(1, 97982800), (2, 48991400), (4, 24495700), (5, 19596560), (8, 12247850), (10, 9798280), (16, 6123925), (20, 4899140), (25, 3919312), (40, 2449570), (50, 1959656), (80, 1224785), (100, 979828), (200, 489914), (400, 244957)]