30714020

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1\times {\mathrm{193}}^1$

素因数の和:384

約数の個数: 48

約数和(自身を含む): 66324720

約数和(自身を除く): 35610700

約数列:

[1, 2, 4, 5, 10, 20, 73, 109, 146, 193, 218, 292, 365, 386, 436, 545, 730, 772, 965, 1090, 1460, 1930, 2180, 3860, 7957, 14089, 15914, 21037, 28178, 31828, 39785, 42074, 56356, 70445, 79570, 84148, 105185, 140890, 159140, 210370, 281780, 420740, 1535701, 3071402, 6142804, 7678505, 15357010, 30714020]

約数ペア:

[(1, 30714020), (2, 15357010), (4, 7678505), (5, 6142804), (10, 3071402), (20, 1535701), (73, 420740), (109, 281780), (146, 210370), (193, 159140), (218, 140890), (292, 105185), (365, 84148), (386, 79570), (436, 70445), (545, 56356), (730, 42074), (772, 39785), (965, 31828), (1090, 28178), (1460, 21037), (1930, 15914), (2180, 14089), (3860, 7957)]