490778876

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{769}}^1\times {\mathrm{991}}^1$

素因数の和:1794

約数の個数: 48

約数和(自身を含む): 1026600960

約数和(自身を除く): 535822084

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 769, 991, 1538, 1982, 3076, 3964, 5383, 6937, 10766, 13874, 17687, 21532, 22793, 27748, 35374, 45586, 70748, 91172, 123809, 159551, 247618, 319102, 495236, 638204, 762079, 1524158, 3048316, 5334553, 10669106, 17527817, 21338212, 35055634, 70111268, 122694719, 245389438, 490778876]

約数ペア:

[(1, 490778876), (2, 245389438), (4, 122694719), (7, 70111268), (14, 35055634), (23, 21338212), (28, 17527817), (46, 10669106), (92, 5334553), (161, 3048316), (322, 1524158), (644, 762079), (769, 638204), (991, 495236), (1538, 319102), (1982, 247618), (3076, 159551), (3964, 123809), (5383, 91172), (6937, 70748), (10766, 45586), (13874, 35374), (17687, 27748), (21532, 22793)]