202940005

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{263}}^1$

素因数の和:445

約数の個数: 32

約数和(自身を含む): 259547904

約数和(自身を除く): 56607899

約数列:

[1, 5, 37, 43, 97, 185, 215, 263, 485, 1315, 1591, 3589, 4171, 7955, 9731, 11309, 17945, 20855, 25511, 48655, 56545, 127555, 154327, 418433, 771635, 943907, 1096973, 2092165, 4719535, 5484865, 40588001, 202940005]

約数ペア:

[(1, 202940005), (5, 40588001), (37, 5484865), (43, 4719535), (97, 2092165), (185, 1096973), (215, 943907), (263, 771635), (485, 418433), (1315, 154327), (1591, 127555), (3589, 56545), (4171, 48655), (7955, 25511), (9731, 20855), (11309, 17945)]