68985700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{709}}^1$

素因数の和:869

約数の個数: 72

約数和(自身を含む): 172558400

約数和(自身を除く): 103572700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 139, 140, 175, 278, 350, 556, 695, 700, 709, 973, 1390, 1418, 1946, 2780, 2836, 3475, 3545, 3892, 4865, 4963, 6950, 7090, 9730, 9926, 13900, 14180, 17725, 19460, 19852, 24325, 24815, 35450, 48650, 49630, 70900, 97300, 98551, 99260, 124075, 197102, 248150, 394204, 492755, 496300, 689857, 985510, 1379714, 1971020, 2463775, 2759428, 3449285, 4927550, 6898570, 9855100, 13797140, 17246425, 34492850, 68985700]

約数ペア:

[(1, 68985700), (2, 34492850), (4, 17246425), (5, 13797140), (7, 9855100), (10, 6898570), (14, 4927550), (20, 3449285), (25, 2759428), (28, 2463775), (35, 1971020), (50, 1379714), (70, 985510), (100, 689857), (139, 496300), (140, 492755), (175, 394204), (278, 248150), (350, 197102), (556, 124075), (695, 99260), (700, 98551), (709, 97300), (973, 70900), (1390, 49630), (1418, 48650), (1946, 35450), (2780, 24815), (2836, 24325), (3475, 19852), (3545, 19460), (3892, 17725), (4865, 14180), (4963, 13900), (6950, 9926), (7090, 9730)]