304087880

素因数分解:

$2^3\times 5^1\times {\mathrm{1999}}^1\times {\mathrm{3803}}^1$

素因数の和:5813

約数の個数: 32

約数和(自身を含む): 684720000

約数和(自身を除く): 380632120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1999, 3803, 3998, 7606, 7996, 9995, 15212, 15992, 19015, 19990, 30424, 38030, 39980, 76060, 79960, 152120, 7602197, 15204394, 30408788, 38010985, 60817576, 76021970, 152043940, 304087880]

約数ペア:

[(1, 304087880), (2, 152043940), (4, 76021970), (5, 60817576), (8, 38010985), (10, 30408788), (20, 15204394), (40, 7602197), (1999, 152120), (3803, 79960), (3998, 76060), (7606, 39980), (7996, 38030), (9995, 30424), (15212, 19990), (15992, 19015)]