77009380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{179}}^1\times {\mathrm{439}}^1$

素因数の和:641

約数の個数: 72

約数和(自身を含む): 189604800

約数和(自身を除く): 112595420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 179, 196, 245, 358, 439, 490, 716, 878, 895, 980, 1253, 1756, 1790, 2195, 2506, 3073, 3580, 4390, 5012, 6146, 6265, 8771, 8780, 12292, 12530, 15365, 17542, 21511, 25060, 30730, 35084, 43022, 43855, 61460, 78581, 86044, 87710, 107555, 157162, 175420, 215110, 314324, 392905, 430220, 550067, 785810, 1100134, 1571620, 2200268, 2750335, 3850469, 5500670, 7700938, 11001340, 15401876, 19252345, 38504690, 77009380]

約数ペア:

[(1, 77009380), (2, 38504690), (4, 19252345), (5, 15401876), (7, 11001340), (10, 7700938), (14, 5500670), (20, 3850469), (28, 2750335), (35, 2200268), (49, 1571620), (70, 1100134), (98, 785810), (140, 550067), (179, 430220), (196, 392905), (245, 314324), (358, 215110), (439, 175420), (490, 157162), (716, 107555), (878, 87710), (895, 86044), (980, 78581), (1253, 61460), (1756, 43855), (1790, 43022), (2195, 35084), (2506, 30730), (3073, 25060), (3580, 21511), (4390, 17542), (5012, 15365), (6146, 12530), (6265, 12292), (8771, 8780)]