28306140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{471769}}^1$

素因数の和:471781

約数の個数: 24

約数和(自身を含む): 79257360

約数和(自身を除く): 50951220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 471769, 943538, 1415307, 1887076, 2358845, 2830614, 4717690, 5661228, 7076535, 9435380, 14153070, 28306140]

約数ペア:

[(1, 28306140), (2, 14153070), (3, 9435380), (4, 7076535), (5, 5661228), (6, 4717690), (10, 2830614), (12, 2358845), (15, 1887076), (20, 1415307), (30, 943538), (60, 471769)]