30211580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{215797}}^1$

素因数の和:215813

約数の個数: 24

約数和(自身を含む): 72508128

約数和(自身を除く): 42296548

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 215797, 431594, 863188, 1078985, 1510579, 2157970, 3021158, 4315940, 6042316, 7552895, 15105790, 30211580]

約数ペア:

[(1, 30211580), (2, 15105790), (4, 7552895), (5, 6042316), (7, 4315940), (10, 3021158), (14, 2157970), (20, 1510579), (28, 1078985), (35, 863188), (70, 431594), (140, 215797)]