78368740

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{263}}^1\times {\mathrm{317}}^1$

素因数の和:636

約数の個数: 48

約数和(自身を含む): 169247232

約数和(自身を除く): 90878492

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 263, 317, 470, 526, 634, 940, 1052, 1268, 1315, 1585, 2630, 3170, 5260, 6340, 12361, 14899, 24722, 29798, 49444, 59596, 61805, 74495, 83371, 123610, 148990, 166742, 247220, 297980, 333484, 416855, 833710, 1667420, 3918437, 7836874, 15673748, 19592185, 39184370, 78368740]

約数ペア:

[(1, 78368740), (2, 39184370), (4, 19592185), (5, 15673748), (10, 7836874), (20, 3918437), (47, 1667420), (94, 833710), (188, 416855), (235, 333484), (263, 297980), (317, 247220), (470, 166742), (526, 148990), (634, 123610), (940, 83371), (1052, 74495), (1268, 61805), (1315, 59596), (1585, 49444), (2630, 29798), (3170, 24722), (5260, 14899), (6340, 12361)]