2182280

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{613}}^1$

素因数の和:713

約数の個数: 32

約数和(自身を含む): 4973400

約数和(自身を除く): 2791120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 613, 712, 890, 1226, 1780, 2452, 3065, 3560, 4904, 6130, 12260, 24520, 54557, 109114, 218228, 272785, 436456, 545570, 1091140, 2182280]

約数ペア:

[(1, 2182280), (2, 1091140), (4, 545570), (5, 436456), (8, 272785), (10, 218228), (20, 109114), (40, 54557), (89, 24520), (178, 12260), (356, 6130), (445, 4904), (613, 3560), (712, 3065), (890, 2452), (1226, 1780)]