201801985

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{2803}}^1$

素因数の和:2854

約数の個数: 48

約数和(自身を含む): 322213248

約数和(自身を除く): 120411263

約数列:

[1, 5, 7, 11, 17, 35, 55, 77, 85, 119, 121, 187, 385, 595, 605, 847, 935, 1309, 2057, 2803, 4235, 6545, 10285, 14015, 14399, 19621, 30833, 47651, 71995, 98105, 154165, 215831, 238255, 333557, 339163, 524161, 1079155, 1667785, 1695815, 2374141, 2620805, 3669127, 5765771, 11870705, 18345635, 28828855, 40360397, 201801985]

約数ペア:

[(1, 201801985), (5, 40360397), (7, 28828855), (11, 18345635), (17, 11870705), (35, 5765771), (55, 3669127), (77, 2620805), (85, 2374141), (119, 1695815), (121, 1667785), (187, 1079155), (385, 524161), (595, 339163), (605, 333557), (847, 238255), (935, 215831), (1309, 154165), (2057, 98105), (2803, 71995), (4235, 47651), (6545, 30833), (10285, 19621), (14015, 14399)]