138606580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{293}}^1$

素因数の和:449

約数の個数: 96

約数和(自身を含む): 347719680

約数和(自身を除く): 209113100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 109, 124, 140, 155, 217, 218, 293, 310, 434, 436, 545, 586, 620, 763, 868, 1085, 1090, 1172, 1465, 1526, 2051, 2170, 2180, 2930, 3052, 3379, 3815, 4102, 4340, 5860, 6758, 7630, 8204, 9083, 10255, 13516, 15260, 16895, 18166, 20510, 23653, 31937, 33790, 36332, 41020, 45415, 47306, 63581, 63874, 67580, 90830, 94612, 118265, 127162, 127748, 159685, 181660, 223559, 236530, 254324, 317905, 319370, 447118, 473060, 635810, 638740, 894236, 990047, 1117795, 1271620, 1980094, 2235590, 3960188, 4471180, 4950235, 6930329, 9900470, 13860658, 19800940, 27721316, 34651645, 69303290, 138606580]

約数ペア:

[(1, 138606580), (2, 69303290), (4, 34651645), (5, 27721316), (7, 19800940), (10, 13860658), (14, 9900470), (20, 6930329), (28, 4950235), (31, 4471180), (35, 3960188), (62, 2235590), (70, 1980094), (109, 1271620), (124, 1117795), (140, 990047), (155, 894236), (217, 638740), (218, 635810), (293, 473060), (310, 447118), (434, 319370), (436, 317905), (545, 254324), (586, 236530), (620, 223559), (763, 181660), (868, 159685), (1085, 127748), (1090, 127162), (1172, 118265), (1465, 94612), (1526, 90830), (2051, 67580), (2170, 63874), (2180, 63581), (2930, 47306), (3052, 45415), (3379, 41020), (3815, 36332), (4102, 33790), (4340, 31937), (5860, 23653), (6758, 20510), (7630, 18166), (8204, 16895), (9083, 15260), (10255, 13516)]