291289460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{189149}}^1$

素因数の和:189176

約数の個数: 48

約数和(自身を含む): 762652800

約数和(自身を除く): 471363340

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 189149, 378298, 756596, 945745, 1324043, 1891490, 2080639, 2648086, 3782980, 4161278, 5296172, 6620215, 8322556, 10403195, 13240430, 14564473, 20806390, 26480860, 29128946, 41612780, 58257892, 72822365, 145644730, 291289460]

約数ペア:

[(1, 291289460), (2, 145644730), (4, 72822365), (5, 58257892), (7, 41612780), (10, 29128946), (11, 26480860), (14, 20806390), (20, 14564473), (22, 13240430), (28, 10403195), (35, 8322556), (44, 6620215), (55, 5296172), (70, 4161278), (77, 3782980), (110, 2648086), (140, 2080639), (154, 1891490), (220, 1324043), (308, 945745), (385, 756596), (770, 378298), (1540, 189149)]