998778830

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{179}}^1\times {\mathrm{1009}}^1$

素因数の和:1281

約数の個数: 64

約数和(自身を含む): 2094336000

約数和(自身を除く): 1095557170

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 79, 158, 179, 358, 395, 553, 790, 895, 1009, 1106, 1253, 1790, 2018, 2506, 2765, 5045, 5530, 6265, 7063, 10090, 12530, 14126, 14141, 28282, 35315, 70630, 70705, 79711, 98987, 141410, 159422, 180611, 197974, 361222, 398555, 494935, 557977, 797110, 903055, 989870, 1115954, 1264277, 1806110, 2528554, 2789885, 5579770, 6321385, 12642770, 14268269, 28536538, 71341345, 99877883, 142682690, 199755766, 499389415, 998778830]

約数ペア:

[(1, 998778830), (2, 499389415), (5, 199755766), (7, 142682690), (10, 99877883), (14, 71341345), (35, 28536538), (70, 14268269), (79, 12642770), (158, 6321385), (179, 5579770), (358, 2789885), (395, 2528554), (553, 1806110), (790, 1264277), (895, 1115954), (1009, 989870), (1106, 903055), (1253, 797110), (1790, 557977), (2018, 494935), (2506, 398555), (2765, 361222), (5045, 197974), (5530, 180611), (6265, 159422), (7063, 141410), (10090, 98987), (12530, 79711), (14126, 70705), (14141, 70630), (28282, 35315)]