219870025

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{173}}^1\times {\mathrm{1753}}^1$

素因数の和:1965

約数の個数: 24

約数和(自身を含む): 283832280

約数和(自身を除く): 63962255

約数列:

[1, 5, 25, 29, 145, 173, 725, 865, 1753, 4325, 5017, 8765, 25085, 43825, 50837, 125425, 254185, 303269, 1270925, 1516345, 7581725, 8794801, 43974005, 219870025]

約数ペア:

[(1, 219870025), (5, 43974005), (25, 8794801), (29, 7581725), (145, 1516345), (173, 1270925), (725, 303269), (865, 254185), (1753, 125425), (4325, 50837), (5017, 43825), (8765, 25085)]