138042800

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{7043}}^1$

素因数の和:7075

約数の個数: 90

約数和(自身を含む): 385849188

約数和(自身を除く): 247806388

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 140, 175, 196, 200, 245, 280, 350, 392, 400, 490, 560, 700, 784, 980, 1225, 1400, 1960, 2450, 2800, 3920, 4900, 7043, 9800, 14086, 19600, 28172, 35215, 49301, 56344, 70430, 98602, 112688, 140860, 176075, 197204, 246505, 281720, 345107, 352150, 394408, 493010, 563440, 690214, 704300, 788816, 986020, 1232525, 1380428, 1408600, 1725535, 1972040, 2465050, 2760856, 2817200, 3451070, 3944080, 4930100, 5521712, 6902140, 8627675, 9860200, 13804280, 17255350, 19720400, 27608560, 34510700, 69021400, 138042800]

約数ペア:

[(1, 138042800), (2, 69021400), (4, 34510700), (5, 27608560), (7, 19720400), (8, 17255350), (10, 13804280), (14, 9860200), (16, 8627675), (20, 6902140), (25, 5521712), (28, 4930100), (35, 3944080), (40, 3451070), (49, 2817200), (50, 2760856), (56, 2465050), (70, 1972040), (80, 1725535), (98, 1408600), (100, 1380428), (112, 1232525), (140, 986020), (175, 788816), (196, 704300), (200, 690214), (245, 563440), (280, 493010), (350, 394408), (392, 352150), (400, 345107), (490, 281720), (560, 246505), (700, 197204), (784, 176075), (980, 140860), (1225, 112688), (1400, 98602), (1960, 70430), (2450, 56344), (2800, 49301), (3920, 35215), (4900, 28172), (7043, 19600), (9800, 14086)]