87489380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{2861}}^1$

素因数の和:3020

約数の個数: 48

約数和(自身を含む): 201942720

約数和(自身を除く): 114453340

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 139, 220, 278, 556, 695, 1390, 1529, 2780, 2861, 3058, 5722, 6116, 7645, 11444, 14305, 15290, 28610, 30580, 31471, 57220, 62942, 125884, 157355, 314710, 397679, 629420, 795358, 1590716, 1988395, 3976790, 4374469, 7953580, 8748938, 17497876, 21872345, 43744690, 87489380]

約数ペア:

[(1, 87489380), (2, 43744690), (4, 21872345), (5, 17497876), (10, 8748938), (11, 7953580), (20, 4374469), (22, 3976790), (44, 1988395), (55, 1590716), (110, 795358), (139, 629420), (220, 397679), (278, 314710), (556, 157355), (695, 125884), (1390, 62942), (1529, 57220), (2780, 31471), (2861, 30580), (3058, 28610), (5722, 15290), (6116, 14305), (7645, 11444)]