200128495

素因数分解:

$5^1\times 7^3\times {\mathrm{61}}^1\times {\mathrm{1913}}^1$

素因数の和:2000

約数の個数: 32

約数和(自身を含む): 284803200

約数和(自身を除く): 84674705

約数列:

[1, 5, 7, 35, 49, 61, 245, 305, 343, 427, 1715, 1913, 2135, 2989, 9565, 13391, 14945, 20923, 66955, 93737, 104615, 116693, 468685, 583465, 656159, 816851, 3280795, 4084255, 5717957, 28589785, 40025699, 200128495]

約数ペア:

[(1, 200128495), (5, 40025699), (7, 28589785), (35, 5717957), (49, 4084255), (61, 3280795), (245, 816851), (305, 656159), (343, 583465), (427, 468685), (1715, 116693), (1913, 104615), (2135, 93737), (2989, 66955), (9565, 20923), (13391, 14945)]