2017885180

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1\times {\mathrm{9721}}^1$

素因数の和:9934

約数の個数: 48

約数和(自身を含む): 4321701216

約数和(自身を除く): 2303816036

約数列:

[1, 2, 4, 5, 10, 20, 97, 107, 194, 214, 388, 428, 485, 535, 970, 1070, 1940, 2140, 9721, 10379, 19442, 20758, 38884, 41516, 48605, 51895, 97210, 103790, 194420, 207580, 942937, 1040147, 1885874, 2080294, 3771748, 4160588, 4714685, 5200735, 9429370, 10401470, 18858740, 20802940, 100894259, 201788518, 403577036, 504471295, 1008942590, 2017885180]

約数ペア:

[(1, 2017885180), (2, 1008942590), (4, 504471295), (5, 403577036), (10, 201788518), (20, 100894259), (97, 20802940), (107, 18858740), (194, 10401470), (214, 9429370), (388, 5200735), (428, 4714685), (485, 4160588), (535, 3771748), (970, 2080294), (1070, 1885874), (1940, 1040147), (2140, 942937), (9721, 207580), (10379, 194420), (19442, 103790), (20758, 97210), (38884, 51895), (41516, 48605)]