142400

素因数分解:

$2^6\times 5^2\times {\mathrm{89}}^1$

素因数の和:111

約数の個数: 42

約数和(自身を含む): 354330

約数和(自身を除く): 211930

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 89, 100, 160, 178, 200, 320, 356, 400, 445, 712, 800, 890, 1424, 1600, 1780, 2225, 2848, 3560, 4450, 5696, 7120, 8900, 14240, 17800, 28480, 35600, 71200, 142400]

約数ペア:

[(1, 142400), (2, 71200), (4, 35600), (5, 28480), (8, 17800), (10, 14240), (16, 8900), (20, 7120), (25, 5696), (32, 4450), (40, 3560), (50, 2848), (64, 2225), (80, 1780), (89, 1600), (100, 1424), (160, 890), (178, 800), (200, 712), (320, 445), (356, 400)]