208055930

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{193}}^1$

素因数の和:375

約数の個数: 64

約数和(自身を含む): 405630720

約数和(自身を除く): 197574790

約数列:

[1, 2, 5, 10, 23, 43, 46, 86, 109, 115, 193, 215, 218, 230, 386, 430, 545, 965, 989, 1090, 1930, 1978, 2507, 4439, 4687, 4945, 5014, 8299, 8878, 9374, 9890, 12535, 16598, 21037, 22195, 23435, 25070, 41495, 42074, 44390, 46870, 82990, 105185, 107801, 190877, 210370, 215602, 381754, 483851, 539005, 904591, 954385, 967702, 1078010, 1809182, 1908770, 2419255, 4522955, 4838510, 9045910, 20805593, 41611186, 104027965, 208055930]

約数ペア:

[(1, 208055930), (2, 104027965), (5, 41611186), (10, 20805593), (23, 9045910), (43, 4838510), (46, 4522955), (86, 2419255), (109, 1908770), (115, 1809182), (193, 1078010), (215, 967702), (218, 954385), (230, 904591), (386, 539005), (430, 483851), (545, 381754), (965, 215602), (989, 210370), (1090, 190877), (1930, 107801), (1978, 105185), (2507, 82990), (4439, 46870), (4687, 44390), (4945, 42074), (5014, 41495), (8299, 25070), (8878, 23435), (9374, 22195), (9890, 21037), (12535, 16598)]