28607820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{397}}^1\times {\mathrm{1201}}^1$

素因数の和:1610

約数の個数: 48

約数和(自身を含む): 80370528

約数和(自身を除く): 51762708

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 397, 794, 1191, 1201, 1588, 1985, 2382, 2402, 3603, 3970, 4764, 4804, 5955, 6005, 7206, 7940, 11910, 12010, 14412, 18015, 23820, 24020, 36030, 72060, 476797, 953594, 1430391, 1907188, 2383985, 2860782, 4767970, 5721564, 7151955, 9535940, 14303910, 28607820]

約数ペア:

[(1, 28607820), (2, 14303910), (3, 9535940), (4, 7151955), (5, 5721564), (6, 4767970), (10, 2860782), (12, 2383985), (15, 1907188), (20, 1430391), (30, 953594), (60, 476797), (397, 72060), (794, 36030), (1191, 24020), (1201, 23820), (1588, 18015), (1985, 14412), (2382, 12010), (2402, 11910), (3603, 7940), (3970, 7206), (4764, 6005), (4804, 5955)]