16940210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{271}}^1$

素因数の和:351

約数の個数: 64

約数和(自身を含む): 37601280

約数和(自身を除く): 20661070

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 47, 70, 94, 95, 133, 190, 235, 266, 271, 329, 470, 542, 658, 665, 893, 1330, 1355, 1645, 1786, 1897, 2710, 3290, 3794, 4465, 5149, 6251, 8930, 9485, 10298, 12502, 12737, 18970, 25474, 25745, 31255, 36043, 51490, 62510, 63685, 72086, 89159, 127370, 178318, 180215, 242003, 360430, 445795, 484006, 891590, 1210015, 1694021, 2420030, 3388042, 8470105, 16940210]

約数ペア:

[(1, 16940210), (2, 8470105), (5, 3388042), (7, 2420030), (10, 1694021), (14, 1210015), (19, 891590), (35, 484006), (38, 445795), (47, 360430), (70, 242003), (94, 180215), (95, 178318), (133, 127370), (190, 89159), (235, 72086), (266, 63685), (271, 62510), (329, 51490), (470, 36043), (542, 31255), (658, 25745), (665, 25474), (893, 18970), (1330, 12737), (1355, 12502), (1645, 10298), (1786, 9485), (1897, 8930), (2710, 6251), (3290, 5149), (3794, 4465)]