200912970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{393947}}^1$

素因数の和:393974

約数の個数: 32

約数和(自身を含む): 510556608

約数和(自身を除く): 309643638

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 510, 393947, 787894, 1181841, 1969735, 2363682, 3939470, 5909205, 6697099, 11818410, 13394198, 20091297, 33485495, 40182594, 66970990, 100456485, 200912970]

約数ペア:

[(1, 200912970), (2, 100456485), (3, 66970990), (5, 40182594), (6, 33485495), (10, 20091297), (15, 13394198), (17, 11818410), (30, 6697099), (34, 5909205), (51, 3939470), (85, 2363682), (102, 1969735), (170, 1181841), (255, 787894), (510, 393947)]