49000280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1259}}^1$

素因数の和:1416

約数の個数: 64

約数和(自身を含む): 127008000

約数和(自身を除く): 78007720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 139, 140, 278, 280, 556, 695, 973, 1112, 1259, 1390, 1946, 2518, 2780, 3892, 4865, 5036, 5560, 6295, 7784, 8813, 9730, 10072, 12590, 17626, 19460, 25180, 35252, 38920, 44065, 50360, 70504, 88130, 175001, 176260, 350002, 352520, 700004, 875005, 1225007, 1400008, 1750010, 2450014, 3500020, 4900028, 6125035, 7000040, 9800056, 12250070, 24500140, 49000280]

約数ペア:

[(1, 49000280), (2, 24500140), (4, 12250070), (5, 9800056), (7, 7000040), (8, 6125035), (10, 4900028), (14, 3500020), (20, 2450014), (28, 1750010), (35, 1400008), (40, 1225007), (56, 875005), (70, 700004), (139, 352520), (140, 350002), (278, 176260), (280, 175001), (556, 88130), (695, 70504), (973, 50360), (1112, 44065), (1259, 38920), (1390, 35252), (1946, 25180), (2518, 19460), (2780, 17626), (3892, 12590), (4865, 10072), (5036, 9730), (5560, 8813), (6295, 7784)]