71123990

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{3923}}^1$

素因数の和:3981

約数の個数: 48

約数和(自身を含む): 152988912

約数和(自身を除く): 81864922

約数列:

[1, 2, 5, 7, 10, 14, 35, 37, 49, 70, 74, 98, 185, 245, 259, 370, 490, 518, 1295, 1813, 2590, 3626, 3923, 7846, 9065, 18130, 19615, 27461, 39230, 54922, 137305, 145151, 192227, 274610, 290302, 384454, 725755, 961135, 1016057, 1451510, 1922270, 2032114, 5080285, 7112399, 10160570, 14224798, 35561995, 71123990]

約数ペア:

[(1, 71123990), (2, 35561995), (5, 14224798), (7, 10160570), (10, 7112399), (14, 5080285), (35, 2032114), (37, 1922270), (49, 1451510), (70, 1016057), (74, 961135), (98, 725755), (185, 384454), (245, 290302), (259, 274610), (370, 192227), (490, 145151), (518, 137305), (1295, 54922), (1813, 39230), (2590, 27461), (3626, 19615), (3923, 18130), (7846, 9065)]