209999173820

素因数分解:

$2^2\times 5^1\times {\mathrm{613}}^1\times {\mathrm{2861}}^1\times {\mathrm{5987}}^1$

素因数の和:9470

約数の個数: 48

約数和(自身を含む): 441945872928

約数和(自身を除く): 231946699108

約数列:

[1, 2, 4, 5, 10, 20, 613, 1226, 2452, 2861, 3065, 5722, 5987, 6130, 11444, 11974, 12260, 14305, 23948, 28610, 29935, 57220, 59870, 119740, 1753793, 3507586, 3670031, 7015172, 7340062, 8768965, 14680124, 17128807, 17537930, 18350155, 34257614, 35075860, 36700310, 68515228, 73400620, 85644035, 171288070, 342576140, 10499958691, 20999917382, 41999834764, 52499793455, 104999586910, 209999173820]

約数ペア:

[(1, 209999173820), (2, 104999586910), (4, 52499793455), (5, 41999834764), (10, 20999917382), (20, 10499958691), (613, 342576140), (1226, 171288070), (2452, 85644035), (2861, 73400620), (3065, 68515228), (5722, 36700310), (5987, 35075860), (6130, 34257614), (11444, 18350155), (11974, 17537930), (12260, 17128807), (14305, 14680124), (23948, 8768965), (28610, 7340062), (29935, 7015172), (57220, 3670031), (59870, 3507586), (119740, 1753793)]