290147606852

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{1223}}^1\times {\mathrm{19427}}^1$

素因数の和:20768

約数の個数: 48

約数和(自身を含む): 527342441472

約数和(自身を除く): 237194834620

約数列:

[1, 2, 4, 43, 71, 86, 142, 172, 284, 1223, 2446, 3053, 4892, 6106, 12212, 19427, 38854, 52589, 77708, 86833, 105178, 173666, 210356, 347332, 835361, 1379317, 1670722, 2758634, 3341444, 3733819, 5517268, 7467638, 14935276, 23759221, 47518442, 59310631, 95036884, 118621262, 237242524, 1021646503, 1686904691, 2043293006, 3373809382, 4086586012, 6747618764, 72536901713, 145073803426, 290147606852]

約数ペア:

[(1, 290147606852), (2, 145073803426), (4, 72536901713), (43, 6747618764), (71, 4086586012), (86, 3373809382), (142, 2043293006), (172, 1686904691), (284, 1021646503), (1223, 237242524), (2446, 118621262), (3053, 95036884), (4892, 59310631), (6106, 47518442), (12212, 23759221), (19427, 14935276), (38854, 7467638), (52589, 5517268), (77708, 3733819), (86833, 3341444), (105178, 2758634), (173666, 1670722), (210356, 1379317), (347332, 835361)]