205490070

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{20947}}^1$

素因数の和:21069

約数の個数: 48

約数和(自身を含む): 539201520

約数和(自身を除く): 333711450

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 109, 218, 327, 545, 654, 981, 1090, 1635, 1962, 3270, 4905, 9810, 20947, 41894, 62841, 104735, 125682, 188523, 209470, 314205, 377046, 628410, 942615, 1885230, 2283223, 4566446, 6849669, 11416115, 13699338, 20549007, 22832230, 34248345, 41098014, 68496690, 102745035, 205490070]

約数ペア:

[(1, 205490070), (2, 102745035), (3, 68496690), (5, 41098014), (6, 34248345), (9, 22832230), (10, 20549007), (15, 13699338), (18, 11416115), (30, 6849669), (45, 4566446), (90, 2283223), (109, 1885230), (218, 942615), (327, 628410), (545, 377046), (654, 314205), (981, 209470), (1090, 188523), (1635, 125682), (1962, 104735), (3270, 62841), (4905, 41894), (9810, 20947)]