26717740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{199}}^1$

素因数の和:359

約数の個数: 72

約数和(自身を含む): 66074400

約数和(自身を除く): 39356660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 137, 140, 196, 199, 245, 274, 398, 490, 548, 685, 796, 959, 980, 995, 1370, 1393, 1918, 1990, 2740, 2786, 3836, 3980, 4795, 5572, 6713, 6965, 9590, 9751, 13426, 13930, 19180, 19502, 26852, 27263, 27860, 33565, 39004, 48755, 54526, 67130, 97510, 109052, 134260, 136315, 190841, 195020, 272630, 381682, 545260, 763364, 954205, 1335887, 1908410, 2671774, 3816820, 5343548, 6679435, 13358870, 26717740]

約数ペア:

[(1, 26717740), (2, 13358870), (4, 6679435), (5, 5343548), (7, 3816820), (10, 2671774), (14, 1908410), (20, 1335887), (28, 954205), (35, 763364), (49, 545260), (70, 381682), (98, 272630), (137, 195020), (140, 190841), (196, 136315), (199, 134260), (245, 109052), (274, 97510), (398, 67130), (490, 54526), (548, 48755), (685, 39004), (796, 33565), (959, 27860), (980, 27263), (995, 26852), (1370, 19502), (1393, 19180), (1918, 13930), (1990, 13426), (2740, 9751), (2786, 9590), (3836, 6965), (3980, 6713), (4795, 5572)]