29878340

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{439}}^1$

素因数の和:572

約数の個数: 48

約数和(自身を含む): 65197440

約数和(自身を除く): 35319100

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 83, 164, 166, 205, 332, 410, 415, 439, 820, 830, 878, 1660, 1756, 2195, 3403, 4390, 6806, 8780, 13612, 17015, 17999, 34030, 35998, 36437, 68060, 71996, 72874, 89995, 145748, 179990, 182185, 359980, 364370, 728740, 1493917, 2987834, 5975668, 7469585, 14939170, 29878340]

約数ペア:

[(1, 29878340), (2, 14939170), (4, 7469585), (5, 5975668), (10, 2987834), (20, 1493917), (41, 728740), (82, 364370), (83, 359980), (164, 182185), (166, 179990), (205, 145748), (332, 89995), (410, 72874), (415, 71996), (439, 68060), (820, 36437), (830, 35998), (878, 34030), (1660, 17999), (1756, 17015), (2195, 13612), (3403, 8780), (4390, 6806)]