89979990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{2999333}}^1$

素因数の和:2999343

約数の個数: 16

約数和(自身を含む): 215952048

約数和(自身を除く): 125972058

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 2999333, 5998666, 8997999, 14996665, 17995998, 29993330, 44989995, 89979990]

約数ペア:

[(1, 89979990), (2, 44989995), (3, 29993330), (5, 17995998), (6, 14996665), (10, 8997999), (15, 5998666), (30, 2999333)]