200959775

素因数分解:

$5^2\times {\mathrm{89}}^1\times {\mathrm{181}}^1\times {\mathrm{499}}^1$

素因数の和:779

約数の個数: 24

約数和(自身を含む): 253890000

約数和(自身を除く): 52930225

約数列:

[1, 5, 25, 89, 181, 445, 499, 905, 2225, 2495, 4525, 12475, 16109, 44411, 80545, 90319, 222055, 402725, 451595, 1110275, 2257975, 8038391, 40191955, 200959775]

約数ペア:

[(1, 200959775), (5, 40191955), (25, 8038391), (89, 2257975), (181, 1110275), (445, 451595), (499, 402725), (905, 222055), (2225, 90319), (2495, 80545), (4525, 44411), (12475, 16109)]