71515070

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{157}}^1$

素因数の和:317

約数の個数: 64

約数和(自身を含む): 146204352

約数和(自身を除く): 74689282

約数列:

[1, 2, 5, 10, 11, 22, 41, 55, 82, 101, 110, 157, 202, 205, 314, 410, 451, 505, 785, 902, 1010, 1111, 1570, 1727, 2222, 2255, 3454, 4141, 4510, 5555, 6437, 8282, 8635, 11110, 12874, 15857, 17270, 20705, 31714, 32185, 41410, 45551, 64370, 70807, 79285, 91102, 141614, 158570, 174427, 227755, 348854, 354035, 455510, 650137, 708070, 872135, 1300274, 1744270, 3250685, 6501370, 7151507, 14303014, 35757535, 71515070]

約数ペア:

[(1, 71515070), (2, 35757535), (5, 14303014), (10, 7151507), (11, 6501370), (22, 3250685), (41, 1744270), (55, 1300274), (82, 872135), (101, 708070), (110, 650137), (157, 455510), (202, 354035), (205, 348854), (314, 227755), (410, 174427), (451, 158570), (505, 141614), (785, 91102), (902, 79285), (1010, 70807), (1111, 64370), (1570, 45551), (1727, 41410), (2222, 32185), (2255, 31714), (3454, 20705), (4141, 17270), (4510, 15857), (5555, 12874), (6437, 11110), (8282, 8635)]