156621025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{479}}^1$

素因数の和:570

約数の個数: 48

約数和(自身を含む): 224985600

約数和(自身を除く): 68364575

約数列:

[1, 5, 11, 25, 29, 41, 55, 145, 205, 275, 319, 451, 479, 725, 1025, 1189, 1595, 2255, 2395, 5269, 5945, 7975, 11275, 11975, 13079, 13891, 19639, 26345, 29725, 65395, 69455, 98195, 131725, 152801, 216029, 326975, 347275, 490975, 569531, 764005, 1080145, 2847655, 3820025, 5400725, 6264841, 14238275, 31324205, 156621025]

約数ペア:

[(1, 156621025), (5, 31324205), (11, 14238275), (25, 6264841), (29, 5400725), (41, 3820025), (55, 2847655), (145, 1080145), (205, 764005), (275, 569531), (319, 490975), (451, 347275), (479, 326975), (725, 216029), (1025, 152801), (1189, 131725), (1595, 98195), (2255, 69455), (2395, 65395), (5269, 29725), (5945, 26345), (7975, 19639), (11275, 13891), (11975, 13079)]