8284220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1259}}^1$

素因数の和:1322

約数の個数: 48

約数和(自身を含む): 20321280

約数和(自身を除く): 12037060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 658, 940, 1259, 1316, 1645, 2518, 3290, 5036, 6295, 6580, 8813, 12590, 17626, 25180, 35252, 44065, 59173, 88130, 118346, 176260, 236692, 295865, 414211, 591730, 828422, 1183460, 1656844, 2071055, 4142110, 8284220]

約数ペア:

[(1, 8284220), (2, 4142110), (4, 2071055), (5, 1656844), (7, 1183460), (10, 828422), (14, 591730), (20, 414211), (28, 295865), (35, 236692), (47, 176260), (70, 118346), (94, 88130), (140, 59173), (188, 44065), (235, 35252), (329, 25180), (470, 17626), (658, 12590), (940, 8813), (1259, 6580), (1316, 6295), (1645, 5036), (2518, 3290)]