810499580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1451}}^1\times {\mathrm{2539}}^1$

素因数の和:4010

約数の個数: 48

約数和(自身を含む): 1858792320

約数和(自身を除く): 1048292740

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1451, 2539, 2902, 5078, 5804, 7255, 10156, 12695, 14510, 15961, 25390, 27929, 29020, 31922, 50780, 55858, 63844, 79805, 111716, 139645, 159610, 279290, 319220, 558580, 3684089, 7368178, 14736356, 18420445, 36840890, 40524979, 73681780, 81049958, 162099916, 202624895, 405249790, 810499580]

約数ペア:

[(1, 810499580), (2, 405249790), (4, 202624895), (5, 162099916), (10, 81049958), (11, 73681780), (20, 40524979), (22, 36840890), (44, 18420445), (55, 14736356), (110, 7368178), (220, 3684089), (1451, 558580), (2539, 319220), (2902, 279290), (5078, 159610), (5804, 139645), (7255, 111716), (10156, 79805), (12695, 63844), (14510, 55858), (15961, 50780), (25390, 31922), (27929, 29020)]