254968420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{38749}}^1$

素因数の和:38812

約数の個数: 48

約数和(自身を含む): 624960000

約数和(自身を除く): 369991580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 658, 940, 1316, 1645, 3290, 6580, 38749, 77498, 154996, 193745, 271243, 387490, 542486, 774980, 1084972, 1356215, 1821203, 2712430, 3642406, 5424860, 7284812, 9106015, 12748421, 18212030, 25496842, 36424060, 50993684, 63742105, 127484210, 254968420]

約数ペア:

[(1, 254968420), (2, 127484210), (4, 63742105), (5, 50993684), (7, 36424060), (10, 25496842), (14, 18212030), (20, 12748421), (28, 9106015), (35, 7284812), (47, 5424860), (70, 3642406), (94, 2712430), (140, 1821203), (188, 1356215), (235, 1084972), (329, 774980), (470, 542486), (658, 387490), (940, 271243), (1316, 193745), (1645, 154996), (3290, 77498), (6580, 38749)]