140968400

素因数分解:

$2^4\times 5^2\times {\mathrm{352421}}^1$

素因数の和:352439

約数の個数: 30

約数和(自身を含む): 338677542

約数和(自身を除く): 197709142

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 352421, 704842, 1409684, 1762105, 2819368, 3524210, 5638736, 7048420, 8810525, 14096840, 17621050, 28193680, 35242100, 70484200, 140968400]

約数ペア:

[(1, 140968400), (2, 70484200), (4, 35242100), (5, 28193680), (8, 17621050), (10, 14096840), (16, 8810525), (20, 7048420), (25, 5638736), (40, 3524210), (50, 2819368), (80, 1762105), (100, 1409684), (200, 704842), (400, 352421)]