210905950

素因数分解:

$2^1\times 5^2\times {\mathrm{67}}^1\times {\mathrm{157}}^1\times {\mathrm{401}}^1$

素因数の和:637

約数の個数: 48

約数和(自身を含む): 401675184

約数和(自身を除く): 190769234

約数列:

[1, 2, 5, 10, 25, 50, 67, 134, 157, 314, 335, 401, 670, 785, 802, 1570, 1675, 2005, 3350, 3925, 4010, 7850, 10025, 10519, 20050, 21038, 26867, 52595, 53734, 62957, 105190, 125914, 134335, 262975, 268670, 314785, 525950, 629570, 671675, 1343350, 1573925, 3147850, 4218119, 8436238, 21090595, 42181190, 105452975, 210905950]

約数ペア:

[(1, 210905950), (2, 105452975), (5, 42181190), (10, 21090595), (25, 8436238), (50, 4218119), (67, 3147850), (134, 1573925), (157, 1343350), (314, 671675), (335, 629570), (401, 525950), (670, 314785), (785, 268670), (802, 262975), (1570, 134335), (1675, 125914), (2005, 105190), (3350, 62957), (3925, 53734), (4010, 52595), (7850, 26867), (10025, 21038), (10519, 20050)]