705040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{1259}}^1$

素因数の和:1279

約数の個数: 40

約数和(自身を含む): 1874880

約数和(自身を除く): 1169840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 1259, 2518, 5036, 6295, 8813, 10072, 12590, 17626, 20144, 25180, 35252, 44065, 50360, 70504, 88130, 100720, 141008, 176260, 352520, 705040]

約数ペア:

[(1, 705040), (2, 352520), (4, 176260), (5, 141008), (7, 100720), (8, 88130), (10, 70504), (14, 50360), (16, 44065), (20, 35252), (28, 25180), (35, 20144), (40, 17626), (56, 12590), (70, 10072), (80, 8813), (112, 6295), (140, 5036), (280, 2518), (560, 1259)]