28139820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{8849}}^1$

素因数の和:8914

約数の個数: 48

約数和(自身を含む): 80287200

約数和(自身を除く): 52147380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 53, 60, 106, 159, 212, 265, 318, 530, 636, 795, 1060, 1590, 3180, 8849, 17698, 26547, 35396, 44245, 53094, 88490, 106188, 132735, 176980, 265470, 468997, 530940, 937994, 1406991, 1875988, 2344985, 2813982, 4689970, 5627964, 7034955, 9379940, 14069910, 28139820]

約数ペア:

[(1, 28139820), (2, 14069910), (3, 9379940), (4, 7034955), (5, 5627964), (6, 4689970), (10, 2813982), (12, 2344985), (15, 1875988), (20, 1406991), (30, 937994), (53, 530940), (60, 468997), (106, 265470), (159, 176980), (212, 132735), (265, 106188), (318, 88490), (530, 53094), (636, 44245), (795, 35396), (1060, 26547), (1590, 17698), (3180, 8849)]