204030145

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{173}}^1\times {\mathrm{523}}^1$

素因数の和:753

約数の個数: 32

約数和(自身を含む): 275716224

約数和(自身を除く): 71686079

約数列:

[1, 5, 11, 41, 55, 173, 205, 451, 523, 865, 1903, 2255, 2615, 5753, 7093, 9515, 21443, 28765, 35465, 78023, 90479, 107215, 235873, 390115, 452395, 995269, 1179365, 3709639, 4976345, 18548195, 40806029, 204030145]

約数ペア:

[(1, 204030145), (5, 40806029), (11, 18548195), (41, 4976345), (55, 3709639), (173, 1179365), (205, 995269), (451, 452395), (523, 390115), (865, 235873), (1903, 107215), (2255, 90479), (2615, 78023), (5753, 35465), (7093, 28765), (9515, 21443)]