204781290

素因数分解:

$2^1\times 3^1\times 5^1\times 7^4\times {\mathrm{2843}}^1$

素因数の和:2881

約数の個数: 80

約数和(自身を含む): 573555168

約数和(自身を除く): 368773878

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 343, 490, 686, 735, 1029, 1470, 1715, 2058, 2401, 2843, 3430, 4802, 5145, 5686, 7203, 8529, 10290, 12005, 14215, 14406, 17058, 19901, 24010, 28430, 36015, 39802, 42645, 59703, 72030, 85290, 99505, 119406, 139307, 199010, 278614, 298515, 417921, 597030, 696535, 835842, 975149, 1393070, 1950298, 2089605, 2925447, 4179210, 4875745, 5850894, 6826043, 9751490, 13652086, 14627235, 20478129, 29254470, 34130215, 40956258, 68260430, 102390645, 204781290]

約数ペア:

[(1, 204781290), (2, 102390645), (3, 68260430), (5, 40956258), (6, 34130215), (7, 29254470), (10, 20478129), (14, 14627235), (15, 13652086), (21, 9751490), (30, 6826043), (35, 5850894), (42, 4875745), (49, 4179210), (70, 2925447), (98, 2089605), (105, 1950298), (147, 1393070), (210, 975149), (245, 835842), (294, 696535), (343, 597030), (490, 417921), (686, 298515), (735, 278614), (1029, 199010), (1470, 139307), (1715, 119406), (2058, 99505), (2401, 85290), (2843, 72030), (3430, 59703), (4802, 42645), (5145, 39802), (5686, 36015), (7203, 28430), (8529, 24010), (10290, 19901), (12005, 17058), (14215, 14406)]