256902210

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{66383}}^1$

素因数の和:66439

約数の個数: 48

約数和(自身を含む): 683489664

約数和(自身を除く): 426587454

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 43, 45, 86, 90, 129, 215, 258, 387, 430, 645, 774, 1290, 1935, 3870, 66383, 132766, 199149, 331915, 398298, 597447, 663830, 995745, 1194894, 1991490, 2854469, 2987235, 5708938, 5974470, 8563407, 14272345, 17126814, 25690221, 28544690, 42817035, 51380442, 85634070, 128451105, 256902210]

約数ペア:

[(1, 256902210), (2, 128451105), (3, 85634070), (5, 51380442), (6, 42817035), (9, 28544690), (10, 25690221), (15, 17126814), (18, 14272345), (30, 8563407), (43, 5974470), (45, 5708938), (86, 2987235), (90, 2854469), (129, 1991490), (215, 1194894), (258, 995745), (387, 663830), (430, 597447), (645, 398298), (774, 331915), (1290, 199149), (1935, 132766), (3870, 66383)]