28219980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{470333}}^1$

素因数の和:470345

約数の個数: 24

約数和(自身を含む): 79016112

約数和(自身を除く): 50796132

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 470333, 940666, 1410999, 1881332, 2351665, 2821998, 4703330, 5643996, 7054995, 9406660, 14109990, 28219980]

約数ペア:

[(1, 28219980), (2, 14109990), (3, 9406660), (4, 7054995), (5, 5643996), (6, 4703330), (10, 2821998), (12, 2351665), (15, 1881332), (20, 1410999), (30, 940666), (60, 470333)]