200571880

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1\times {\mathrm{461}}^1$

素因数の和:694

約数の個数: 64

約数和(自身を含む): 461538000

約数和(自身を除く): 260966120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 149, 292, 298, 365, 461, 584, 596, 730, 745, 922, 1192, 1460, 1490, 1844, 2305, 2920, 2980, 3688, 4610, 5960, 9220, 10877, 18440, 21754, 33653, 43508, 54385, 67306, 68689, 87016, 108770, 134612, 137378, 168265, 217540, 269224, 274756, 336530, 343445, 435080, 549512, 673060, 686890, 1346120, 1373780, 2747560, 5014297, 10028594, 20057188, 25071485, 40114376, 50142970, 100285940, 200571880]

約数ペア:

[(1, 200571880), (2, 100285940), (4, 50142970), (5, 40114376), (8, 25071485), (10, 20057188), (20, 10028594), (40, 5014297), (73, 2747560), (146, 1373780), (149, 1346120), (292, 686890), (298, 673060), (365, 549512), (461, 435080), (584, 343445), (596, 336530), (730, 274756), (745, 269224), (922, 217540), (1192, 168265), (1460, 137378), (1490, 134612), (1844, 108770), (2305, 87016), (2920, 68689), (2980, 67306), (3688, 54385), (4610, 43508), (5960, 33653), (9220, 21754), (10877, 18440)]