27687940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1487}}^1$

素因数の和:1529

約数の個数: 72

約数和(自身を含む): 71245440

約数和(自身を除く): 43557500

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 70, 76, 95, 98, 133, 140, 190, 196, 245, 266, 380, 490, 532, 665, 931, 980, 1330, 1487, 1862, 2660, 2974, 3724, 4655, 5948, 7435, 9310, 10409, 14870, 18620, 20818, 28253, 29740, 41636, 52045, 56506, 72863, 104090, 113012, 141265, 145726, 197771, 208180, 282530, 291452, 364315, 395542, 565060, 728630, 791084, 988855, 1384397, 1457260, 1977710, 2768794, 3955420, 5537588, 6921985, 13843970, 27687940]

約数ペア:

[(1, 27687940), (2, 13843970), (4, 6921985), (5, 5537588), (7, 3955420), (10, 2768794), (14, 1977710), (19, 1457260), (20, 1384397), (28, 988855), (35, 791084), (38, 728630), (49, 565060), (70, 395542), (76, 364315), (95, 291452), (98, 282530), (133, 208180), (140, 197771), (190, 145726), (196, 141265), (245, 113012), (266, 104090), (380, 72863), (490, 56506), (532, 52045), (665, 41636), (931, 29740), (980, 28253), (1330, 20818), (1487, 18620), (1862, 14870), (2660, 10409), (2974, 9310), (3724, 7435), (4655, 5948)]