8019990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{8101}}^1$

素因数の和:8125

約数の個数: 48

約数和(自身を含む): 22750416

約数和(自身を除く): 14730426

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990, 8101, 16202, 24303, 40505, 48606, 72909, 81010, 89111, 121515, 145818, 178222, 243030, 267333, 364545, 445555, 534666, 729090, 801999, 891110, 1336665, 1603998, 2673330, 4009995, 8019990]

約数ペア:

[(1, 8019990), (2, 4009995), (3, 2673330), (5, 1603998), (6, 1336665), (9, 891110), (10, 801999), (11, 729090), (15, 534666), (18, 445555), (22, 364545), (30, 267333), (33, 243030), (45, 178222), (55, 145818), (66, 121515), (90, 89111), (99, 81010), (110, 72909), (165, 48606), (198, 40505), (330, 24303), (495, 16202), (990, 8101)]