26854940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{409}}^1$

素因数の和:499

約数の個数: 72

約数和(自身を含む): 66744720

約数和(自身を除く): 39889780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 67, 70, 98, 134, 140, 196, 245, 268, 335, 409, 469, 490, 670, 818, 938, 980, 1340, 1636, 1876, 2045, 2345, 2863, 3283, 4090, 4690, 5726, 6566, 8180, 9380, 11452, 13132, 14315, 16415, 20041, 27403, 28630, 32830, 40082, 54806, 57260, 65660, 80164, 100205, 109612, 137015, 191821, 200410, 274030, 383642, 400820, 548060, 767284, 959105, 1342747, 1918210, 2685494, 3836420, 5370988, 6713735, 13427470, 26854940]

約数ペア:

[(1, 26854940), (2, 13427470), (4, 6713735), (5, 5370988), (7, 3836420), (10, 2685494), (14, 1918210), (20, 1342747), (28, 959105), (35, 767284), (49, 548060), (67, 400820), (70, 383642), (98, 274030), (134, 200410), (140, 191821), (196, 137015), (245, 109612), (268, 100205), (335, 80164), (409, 65660), (469, 57260), (490, 54806), (670, 40082), (818, 32830), (938, 28630), (980, 27403), (1340, 20041), (1636, 16415), (1876, 14315), (2045, 13132), (2345, 11452), (2863, 9380), (3283, 8180), (4090, 6566), (4690, 5726)]