3127460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{251}}^1$

素因数の和:356

約数の個数: 48

約数和(自身を含む): 7620480

約数和(自身を除く): 4493020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 178, 251, 356, 445, 502, 623, 890, 1004, 1246, 1255, 1757, 1780, 2492, 2510, 3115, 3514, 5020, 6230, 7028, 8785, 12460, 17570, 22339, 35140, 44678, 89356, 111695, 156373, 223390, 312746, 446780, 625492, 781865, 1563730, 3127460]

約数ペア:

[(1, 3127460), (2, 1563730), (4, 781865), (5, 625492), (7, 446780), (10, 312746), (14, 223390), (20, 156373), (28, 111695), (35, 89356), (70, 44678), (89, 35140), (140, 22339), (178, 17570), (251, 12460), (356, 8785), (445, 7028), (502, 6230), (623, 5020), (890, 3514), (1004, 3115), (1246, 2510), (1255, 2492), (1757, 1780)]