789200

素因数分解:

$2^4\times 5^2\times {\mathrm{1973}}^1$

素因数の和:1991

約数の個数: 30

約数和(自身を含む): 1897014

約数和(自身を除く): 1107814

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 1973, 3946, 7892, 9865, 15784, 19730, 31568, 39460, 49325, 78920, 98650, 157840, 197300, 394600, 789200]

約数ペア:

[(1, 789200), (2, 394600), (4, 197300), (5, 157840), (8, 98650), (10, 78920), (16, 49325), (20, 39460), (25, 31568), (40, 19730), (50, 15784), (80, 9865), (100, 7892), (200, 3946), (400, 1973)]