408055880

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{9437}}^1$

素因数の和:9518

約数の個数: 64

約数和(自身を含む): 978531840

約数和(自身を除く): 570475960

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 47, 92, 94, 115, 184, 188, 230, 235, 376, 460, 470, 920, 940, 1081, 1880, 2162, 4324, 5405, 8648, 9437, 10810, 18874, 21620, 37748, 43240, 47185, 75496, 94370, 188740, 217051, 377480, 434102, 443539, 868204, 887078, 1085255, 1736408, 1774156, 2170510, 2217695, 3548312, 4341020, 4435390, 8682040, 8870780, 10201397, 17741560, 20402794, 40805588, 51006985, 81611176, 102013970, 204027940, 408055880]

約数ペア:

[(1, 408055880), (2, 204027940), (4, 102013970), (5, 81611176), (8, 51006985), (10, 40805588), (20, 20402794), (23, 17741560), (40, 10201397), (46, 8870780), (47, 8682040), (92, 4435390), (94, 4341020), (115, 3548312), (184, 2217695), (188, 2170510), (230, 1774156), (235, 1736408), (376, 1085255), (460, 887078), (470, 868204), (920, 443539), (940, 434102), (1081, 377480), (1880, 217051), (2162, 188740), (4324, 94370), (5405, 75496), (8648, 47185), (9437, 43240), (10810, 37748), (18874, 21620)]