17151980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{827}}^1$

素因数の和:914

約数の個数: 48

約数和(自身を含む): 38810016

約数和(自身を除く): 21658036

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 61, 68, 85, 122, 170, 244, 305, 340, 610, 827, 1037, 1220, 1654, 2074, 3308, 4135, 4148, 5185, 8270, 10370, 14059, 16540, 20740, 28118, 50447, 56236, 70295, 100894, 140590, 201788, 252235, 281180, 504470, 857599, 1008940, 1715198, 3430396, 4287995, 8575990, 17151980]

約数ペア:

[(1, 17151980), (2, 8575990), (4, 4287995), (5, 3430396), (10, 1715198), (17, 1008940), (20, 857599), (34, 504470), (61, 281180), (68, 252235), (85, 201788), (122, 140590), (170, 100894), (244, 70295), (305, 56236), (340, 50447), (610, 28118), (827, 20740), (1037, 16540), (1220, 14059), (1654, 10370), (2074, 8270), (3308, 5185), (4135, 4148)]