280990908

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{30851}}^1$

素因数の和:30895

約数の個数: 72

約数和(自身を含む): 808569216

約数和(自身を除く): 527578308

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 23, 33, 36, 44, 46, 66, 69, 92, 99, 132, 138, 198, 207, 253, 276, 396, 414, 506, 759, 828, 1012, 1518, 2277, 3036, 4554, 9108, 30851, 61702, 92553, 123404, 185106, 277659, 339361, 370212, 555318, 678722, 709573, 1018083, 1110636, 1357444, 1419146, 2036166, 2128719, 2838292, 3054249, 4072332, 4257438, 6108498, 6386157, 7805303, 8514876, 12216996, 12772314, 15610606, 23415909, 25544628, 31221212, 46831818, 70247727, 93663636, 140495454, 280990908]

約数ペア:

[(1, 280990908), (2, 140495454), (3, 93663636), (4, 70247727), (6, 46831818), (9, 31221212), (11, 25544628), (12, 23415909), (18, 15610606), (22, 12772314), (23, 12216996), (33, 8514876), (36, 7805303), (44, 6386157), (46, 6108498), (66, 4257438), (69, 4072332), (92, 3054249), (99, 2838292), (132, 2128719), (138, 2036166), (198, 1419146), (207, 1357444), (253, 1110636), (276, 1018083), (396, 709573), (414, 678722), (506, 555318), (759, 370212), (828, 339361), (1012, 277659), (1518, 185106), (2277, 123404), (3036, 92553), (4554, 61702), (9108, 30851)]