11999800

素因数分解:

$2^3\times 5^2\times {\mathrm{59999}}^1$

素因数の和:60015

約数の個数: 24

約数和(自身を含む): 27900000

約数和(自身を除く): 15900200

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 59999, 119998, 239996, 299995, 479992, 599990, 1199980, 1499975, 2399960, 2999950, 5999900, 11999800]

約数ペア:

[(1, 11999800), (2, 5999900), (4, 2999950), (5, 2399960), (8, 1499975), (10, 1199980), (20, 599990), (25, 479992), (40, 299995), (50, 239996), (100, 119998), (200, 59999)]