28399910

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{479}}^1$

素因数の和:522

約数の個数: 72

約数和(自身を含む): 65499840

約数和(自身を除く): 37099930

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 49, 55, 70, 77, 98, 110, 121, 154, 242, 245, 385, 479, 490, 539, 605, 770, 847, 958, 1078, 1210, 1694, 2395, 2695, 3353, 4235, 4790, 5269, 5390, 5929, 6706, 8470, 10538, 11858, 16765, 23471, 26345, 29645, 33530, 36883, 46942, 52690, 57959, 59290, 73766, 115918, 117355, 184415, 234710, 258181, 289795, 368830, 405713, 516362, 579590, 811426, 1290905, 2028565, 2581810, 2839991, 4057130, 5679982, 14199955, 28399910]

約数ペア:

[(1, 28399910), (2, 14199955), (5, 5679982), (7, 4057130), (10, 2839991), (11, 2581810), (14, 2028565), (22, 1290905), (35, 811426), (49, 579590), (55, 516362), (70, 405713), (77, 368830), (98, 289795), (110, 258181), (121, 234710), (154, 184415), (242, 117355), (245, 115918), (385, 73766), (479, 59290), (490, 57959), (539, 52690), (605, 46942), (770, 36883), (847, 33530), (958, 29645), (1078, 26345), (1210, 23471), (1694, 16765), (2395, 11858), (2695, 10538), (3353, 8470), (4235, 6706), (4790, 5929), (5269, 5390)]