79824920

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{293}}^1$

素因数の和:457

約数の個数: 96

約数和(自身を含む): 211150800

約数和(自身を除く): 131325880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 139, 140, 196, 245, 278, 280, 293, 392, 490, 556, 586, 695, 973, 980, 1112, 1172, 1390, 1465, 1946, 1960, 2051, 2344, 2780, 2930, 3892, 4102, 4865, 5560, 5860, 6811, 7784, 8204, 9730, 10255, 11720, 13622, 14357, 16408, 19460, 20510, 27244, 28714, 34055, 38920, 40727, 41020, 54488, 57428, 68110, 71785, 81454, 82040, 114856, 136220, 143570, 162908, 203635, 272440, 285089, 287140, 325816, 407270, 570178, 574280, 814540, 1140356, 1425445, 1629080, 1995623, 2280712, 2850890, 3991246, 5701780, 7982492, 9978115, 11403560, 15964984, 19956230, 39912460, 79824920]

約数ペア:

[(1, 79824920), (2, 39912460), (4, 19956230), (5, 15964984), (7, 11403560), (8, 9978115), (10, 7982492), (14, 5701780), (20, 3991246), (28, 2850890), (35, 2280712), (40, 1995623), (49, 1629080), (56, 1425445), (70, 1140356), (98, 814540), (139, 574280), (140, 570178), (196, 407270), (245, 325816), (278, 287140), (280, 285089), (293, 272440), (392, 203635), (490, 162908), (556, 143570), (586, 136220), (695, 114856), (973, 82040), (980, 81454), (1112, 71785), (1172, 68110), (1390, 57428), (1465, 54488), (1946, 41020), (1960, 40727), (2051, 38920), (2344, 34055), (2780, 28714), (2930, 27244), (3892, 20510), (4102, 19460), (4865, 16408), (5560, 14357), (5860, 13622), (6811, 11720), (7784, 10255), (8204, 9730)]