31549940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{337}}^1$

素因数の和:528

約数の個数: 48

約数和(自身を含む): 69049344

約数和(自身を除く): 37499404

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 151, 155, 302, 310, 337, 604, 620, 674, 755, 1348, 1510, 1685, 3020, 3370, 4681, 6740, 9362, 10447, 18724, 20894, 23405, 41788, 46810, 50887, 52235, 93620, 101774, 104470, 203548, 208940, 254435, 508870, 1017740, 1577497, 3154994, 6309988, 7887485, 15774970, 31549940]

約数ペア:

[(1, 31549940), (2, 15774970), (4, 7887485), (5, 6309988), (10, 3154994), (20, 1577497), (31, 1017740), (62, 508870), (124, 254435), (151, 208940), (155, 203548), (302, 104470), (310, 101774), (337, 93620), (604, 52235), (620, 50887), (674, 46810), (755, 41788), (1348, 23405), (1510, 20894), (1685, 18724), (3020, 10447), (3370, 9362), (4681, 6740)]