77378140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{439}}^1\times {\mathrm{1259}}^1$

素因数の和:1714

約数の個数: 48

約数和(自身を含む): 186278400

約数和(自身を除く): 108900260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 439, 878, 1259, 1756, 2195, 2518, 3073, 4390, 5036, 6146, 6295, 8780, 8813, 12292, 12590, 15365, 17626, 25180, 30730, 35252, 44065, 61460, 88130, 176260, 552701, 1105402, 2210804, 2763505, 3868907, 5527010, 7737814, 11054020, 15475628, 19344535, 38689070, 77378140]

約数ペア:

[(1, 77378140), (2, 38689070), (4, 19344535), (5, 15475628), (7, 11054020), (10, 7737814), (14, 5527010), (20, 3868907), (28, 2763505), (35, 2210804), (70, 1105402), (140, 552701), (439, 176260), (878, 88130), (1259, 61460), (1756, 44065), (2195, 35252), (2518, 30730), (3073, 25180), (4390, 17626), (5036, 15365), (6146, 12590), (6295, 12292), (8780, 8813)]