68679020

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1\times {\mathrm{479}}^1$

素因数の和:662

約数の個数: 48

約数和(自身を含む): 148055040

約数和(自身を除く): 79376020

約数列:

[1, 2, 4, 5, 10, 20, 67, 107, 134, 214, 268, 335, 428, 479, 535, 670, 958, 1070, 1340, 1916, 2140, 2395, 4790, 7169, 9580, 14338, 28676, 32093, 35845, 51253, 64186, 71690, 102506, 128372, 143380, 160465, 205012, 256265, 320930, 512530, 641860, 1025060, 3433951, 6867902, 13735804, 17169755, 34339510, 68679020]

約数ペア:

[(1, 68679020), (2, 34339510), (4, 17169755), (5, 13735804), (10, 6867902), (20, 3433951), (67, 1025060), (107, 641860), (134, 512530), (214, 320930), (268, 256265), (335, 205012), (428, 160465), (479, 143380), (535, 128372), (670, 102506), (958, 71690), (1070, 64186), (1340, 51253), (1916, 35845), (2140, 32093), (2395, 28676), (4790, 14338), (7169, 9580)]