207281660

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{2393}}^1$

素因数の和:2534

約数の個数: 48

約数和(自身を含む): 448846272

約数和(自身を除く): 241564612

約数列:

[1, 2, 4, 5, 10, 20, 61, 71, 122, 142, 244, 284, 305, 355, 610, 710, 1220, 1420, 2393, 4331, 4786, 8662, 9572, 11965, 17324, 21655, 23930, 43310, 47860, 86620, 145973, 169903, 291946, 339806, 583892, 679612, 729865, 849515, 1459730, 1699030, 2919460, 3398060, 10364083, 20728166, 41456332, 51820415, 103640830, 207281660]

約数ペア:

[(1, 207281660), (2, 103640830), (4, 51820415), (5, 41456332), (10, 20728166), (20, 10364083), (61, 3398060), (71, 2919460), (122, 1699030), (142, 1459730), (244, 849515), (284, 729865), (305, 679612), (355, 583892), (610, 339806), (710, 291946), (1220, 169903), (1420, 145973), (2393, 86620), (4331, 47860), (4786, 43310), (8662, 23930), (9572, 21655), (11965, 17324)]