206820025

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:298

約数の個数: 48

約数和(自身を含む): 282124800

約数和(自身を除く): 75304775

約数列:

[1, 5, 23, 25, 29, 79, 115, 145, 157, 395, 575, 667, 725, 785, 1817, 1975, 2291, 3335, 3611, 3925, 4553, 9085, 11455, 12403, 16675, 18055, 22765, 45425, 52693, 57275, 62015, 90275, 104719, 113825, 263465, 285269, 310075, 359687, 523595, 1317325, 1426345, 1798435, 2617975, 7131725, 8272801, 8992175, 41364005, 206820025]

約数ペア:

[(1, 206820025), (5, 41364005), (23, 8992175), (25, 8272801), (29, 7131725), (79, 2617975), (115, 1798435), (145, 1426345), (157, 1317325), (395, 523595), (575, 359687), (667, 310075), (725, 285269), (785, 263465), (1817, 113825), (1975, 104719), (2291, 90275), (3335, 62015), (3611, 57275), (3925, 52693), (4553, 45425), (9085, 22765), (11455, 18055), (12403, 16675)]