51327140

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{499}}^1$

素因数の和:684

約数の個数: 48

約数和(自身を含む): 111720000

約数和(自身を除く): 60392860

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 139, 148, 185, 278, 370, 499, 556, 695, 740, 998, 1390, 1996, 2495, 2780, 4990, 5143, 9980, 10286, 18463, 20572, 25715, 36926, 51430, 69361, 73852, 92315, 102860, 138722, 184630, 277444, 346805, 369260, 693610, 1387220, 2566357, 5132714, 10265428, 12831785, 25663570, 51327140]

約数ペア:

[(1, 51327140), (2, 25663570), (4, 12831785), (5, 10265428), (10, 5132714), (20, 2566357), (37, 1387220), (74, 693610), (139, 369260), (148, 346805), (185, 277444), (278, 184630), (370, 138722), (499, 102860), (556, 92315), (695, 73852), (740, 69361), (998, 51430), (1390, 36926), (1996, 25715), (2495, 20572), (2780, 18463), (4990, 10286), (5143, 9980)]