78814780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{5347}}^1$

素因数の和:5434

約数の個数: 48

約数和(自身を含む): 183286656

約数和(自身を除く): 104471876

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 67, 110, 134, 220, 268, 335, 670, 737, 1340, 1474, 2948, 3685, 5347, 7370, 10694, 14740, 21388, 26735, 53470, 58817, 106940, 117634, 235268, 294085, 358249, 588170, 716498, 1176340, 1432996, 1791245, 3582490, 3940739, 7164980, 7881478, 15762956, 19703695, 39407390, 78814780]

約数ペア:

[(1, 78814780), (2, 39407390), (4, 19703695), (5, 15762956), (10, 7881478), (11, 7164980), (20, 3940739), (22, 3582490), (44, 1791245), (55, 1432996), (67, 1176340), (110, 716498), (134, 588170), (220, 358249), (268, 294085), (335, 235268), (670, 117634), (737, 106940), (1340, 58817), (1474, 53470), (2948, 26735), (3685, 21388), (5347, 14740), (7370, 10694)]