378800

素因数分解:

$2^4\times 5^2\times {\mathrm{947}}^1$

素因数の和:965

約数の個数: 30

約数和(自身を含む): 911028

約数和(自身を除く): 532228

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 947, 1894, 3788, 4735, 7576, 9470, 15152, 18940, 23675, 37880, 47350, 75760, 94700, 189400, 378800]

約数ペア:

[(1, 378800), (2, 189400), (4, 94700), (5, 75760), (8, 47350), (10, 37880), (16, 23675), (20, 18940), (25, 15152), (40, 9470), (50, 7576), (80, 4735), (100, 3788), (200, 1894), (400, 947)]