28137990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{13999}}^1$

素因数の和:14076

約数の個数: 32

約数和(自身を含む): 68544000

約数和(自身を除く): 40406010

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 67, 134, 201, 335, 402, 670, 1005, 2010, 13999, 27998, 41997, 69995, 83994, 139990, 209985, 419970, 937933, 1875866, 2813799, 4689665, 5627598, 9379330, 14068995, 28137990]

約数ペア:

[(1, 28137990), (2, 14068995), (3, 9379330), (5, 5627598), (6, 4689665), (10, 2813799), (15, 1875866), (30, 937933), (67, 419970), (134, 209985), (201, 139990), (335, 83994), (402, 69995), (670, 41997), (1005, 27998), (2010, 13999)]