491680

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{439}}^1$

素因数の和:461

約数の個数: 48

約数和(自身を含む): 1330560

約数和(自身を除く): 838880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 439, 560, 878, 1120, 1756, 2195, 3073, 3512, 4390, 6146, 7024, 8780, 12292, 14048, 15365, 17560, 24584, 30730, 35120, 49168, 61460, 70240, 98336, 122920, 245840, 491680]

約数ペア:

[(1, 491680), (2, 245840), (4, 122920), (5, 98336), (7, 70240), (8, 61460), (10, 49168), (14, 35120), (16, 30730), (20, 24584), (28, 17560), (32, 15365), (35, 14048), (40, 12292), (56, 8780), (70, 7024), (80, 6146), (112, 4390), (140, 3512), (160, 3073), (224, 2195), (280, 1756), (439, 1120), (560, 878)]