290468268

素因数分解:

$2^2\times 3^4\times {\mathrm{43}}^1\times {\mathrm{20849}}^1$

素因数の和:20908

約数の個数: 60

約数和(自身を含む): 777037800

約数和(自身を除く): 486569532

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 43, 54, 81, 86, 108, 129, 162, 172, 258, 324, 387, 516, 774, 1161, 1548, 2322, 3483, 4644, 6966, 13932, 20849, 41698, 62547, 83396, 125094, 187641, 250188, 375282, 562923, 750564, 896507, 1125846, 1688769, 1793014, 2251692, 2689521, 3377538, 3586028, 5379042, 6755076, 8068563, 10758084, 16137126, 24205689, 32274252, 48411378, 72617067, 96822756, 145234134, 290468268]

約数ペア:

[(1, 290468268), (2, 145234134), (3, 96822756), (4, 72617067), (6, 48411378), (9, 32274252), (12, 24205689), (18, 16137126), (27, 10758084), (36, 8068563), (43, 6755076), (54, 5379042), (81, 3586028), (86, 3377538), (108, 2689521), (129, 2251692), (162, 1793014), (172, 1688769), (258, 1125846), (324, 896507), (387, 750564), (516, 562923), (774, 375282), (1161, 250188), (1548, 187641), (2322, 125094), (3483, 83396), (4644, 62547), (6966, 41698), (13932, 20849)]