290401072

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{4831}}^1$

素因数の和:4886

約数の個数: 60

約数和(自身を含む): 643806016

約数和(自身を除く): 353404944

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 208, 221, 272, 289, 442, 578, 884, 1156, 1768, 2312, 3536, 3757, 4624, 4831, 7514, 9662, 15028, 19324, 30056, 38648, 60112, 62803, 77296, 82127, 125606, 164254, 251212, 328508, 502424, 657016, 1004848, 1067651, 1314032, 1396159, 2135302, 2792318, 4270604, 5584636, 8541208, 11169272, 17082416, 18150067, 22338544, 36300134, 72600268, 145200536, 290401072]

約数ペア:

[(1, 290401072), (2, 145200536), (4, 72600268), (8, 36300134), (13, 22338544), (16, 18150067), (17, 17082416), (26, 11169272), (34, 8541208), (52, 5584636), (68, 4270604), (104, 2792318), (136, 2135302), (208, 1396159), (221, 1314032), (272, 1067651), (289, 1004848), (442, 657016), (578, 502424), (884, 328508), (1156, 251212), (1768, 164254), (2312, 125606), (3536, 82127), (3757, 77296), (4624, 62803), (4831, 60112), (7514, 38648), (9662, 30056), (15028, 19324)]