251200

素因数分解:

$2^6\times 5^2\times {\mathrm{157}}^1$

素因数の和:179

約数の個数: 42

約数和(自身を含む): 622046

約数和(自身を除く): 370846

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 157, 160, 200, 314, 320, 400, 628, 785, 800, 1256, 1570, 1600, 2512, 3140, 3925, 5024, 6280, 7850, 10048, 12560, 15700, 25120, 31400, 50240, 62800, 125600, 251200]

約数ペア:

[(1, 251200), (2, 125600), (4, 62800), (5, 50240), (8, 31400), (10, 25120), (16, 15700), (20, 12560), (25, 10048), (32, 7850), (40, 6280), (50, 5024), (64, 3925), (80, 3140), (100, 2512), (157, 1600), (160, 1570), (200, 1256), (314, 800), (320, 785), (400, 628)]