2049990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2971}}^1$

素因数の和:3004

約数の個数: 32

約数和(自身を含む): 5135616

約数和(自身を除く): 3085626

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690, 2971, 5942, 8913, 14855, 17826, 29710, 44565, 68333, 89130, 136666, 204999, 341665, 409998, 683330, 1024995, 2049990]

約数ペア:

[(1, 2049990), (2, 1024995), (3, 683330), (5, 409998), (6, 341665), (10, 204999), (15, 136666), (23, 89130), (30, 68333), (46, 44565), (69, 29710), (115, 17826), (138, 14855), (230, 8913), (345, 5942), (690, 2971)]