489752560

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{556537}}^1$

素因数の和:556561

約数の個数: 40

約数和(自身を含む): 1242192816

約数和(自身を除く): 752440256

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 556537, 1113074, 2226148, 2782685, 4452296, 5565370, 6121907, 8904592, 11130740, 12243814, 22261480, 24487628, 30609535, 44522960, 48975256, 61219070, 97950512, 122438140, 244876280, 489752560]

約数ペア:

[(1, 489752560), (2, 244876280), (4, 122438140), (5, 97950512), (8, 61219070), (10, 48975256), (11, 44522960), (16, 30609535), (20, 24487628), (22, 22261480), (40, 12243814), (44, 11130740), (55, 8904592), (80, 6121907), (88, 5565370), (110, 4452296), (176, 2782685), (220, 2226148), (440, 1113074), (880, 556537)]