209112520

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{88607}}^1$

素因数の和:88677

約数の個数: 32

約数和(自身を含む): 478483200

約数和(自身を除く): 269370680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 236, 295, 472, 590, 1180, 2360, 88607, 177214, 354428, 443035, 708856, 886070, 1772140, 3544280, 5227813, 10455626, 20911252, 26139065, 41822504, 52278130, 104556260, 209112520]

約数ペア:

[(1, 209112520), (2, 104556260), (4, 52278130), (5, 41822504), (8, 26139065), (10, 20911252), (20, 10455626), (40, 5227813), (59, 3544280), (118, 1772140), (236, 886070), (295, 708856), (472, 443035), (590, 354428), (1180, 177214), (2360, 88607)]