56401940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{859}}^1$

素因数の和:949

約数の個数: 72

約数和(自身を含む): 140001120

約数和(自身を除く): 83599180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 67, 70, 98, 134, 140, 196, 245, 268, 335, 469, 490, 670, 859, 938, 980, 1340, 1718, 1876, 2345, 3283, 3436, 4295, 4690, 6013, 6566, 8590, 9380, 12026, 13132, 16415, 17180, 24052, 30065, 32830, 42091, 57553, 60130, 65660, 84182, 115106, 120260, 168364, 210455, 230212, 287765, 402871, 420910, 575530, 805742, 841820, 1151060, 1611484, 2014355, 2820097, 4028710, 5640194, 8057420, 11280388, 14100485, 28200970, 56401940]

約数ペア:

[(1, 56401940), (2, 28200970), (4, 14100485), (5, 11280388), (7, 8057420), (10, 5640194), (14, 4028710), (20, 2820097), (28, 2014355), (35, 1611484), (49, 1151060), (67, 841820), (70, 805742), (98, 575530), (134, 420910), (140, 402871), (196, 287765), (245, 230212), (268, 210455), (335, 168364), (469, 120260), (490, 115106), (670, 84182), (859, 65660), (938, 60130), (980, 57553), (1340, 42091), (1718, 32830), (1876, 30065), (2345, 24052), (3283, 17180), (3436, 16415), (4295, 13132), (4690, 12026), (6013, 9380), (6566, 8590)]