247489520

素因数分解:

$2^4\times 5^1\times {\mathrm{1657}}^1\times {\mathrm{1867}}^1$

素因数の和:3537

約数の個数: 40

約数和(自身を含む): 576068784

約数和(自身を除く): 328579264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1657, 1867, 3314, 3734, 6628, 7468, 8285, 9335, 13256, 14936, 16570, 18670, 26512, 29872, 33140, 37340, 66280, 74680, 132560, 149360, 3093619, 6187238, 12374476, 15468095, 24748952, 30936190, 49497904, 61872380, 123744760, 247489520]

約数ペア:

[(1, 247489520), (2, 123744760), (4, 61872380), (5, 49497904), (8, 30936190), (10, 24748952), (16, 15468095), (20, 12374476), (40, 6187238), (80, 3093619), (1657, 149360), (1867, 132560), (3314, 74680), (3734, 66280), (6628, 37340), (7468, 33140), (8285, 29872), (9335, 26512), (13256, 18670), (14936, 16570)]