276549260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^2\times {\mathrm{211}}^1$

素因数の和:375

約数の個数: 72

約数和(自身を含む): 637366128

約数和(自身を除く): 360816868

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 71, 130, 142, 211, 260, 284, 355, 422, 710, 844, 923, 1055, 1420, 1846, 2110, 2743, 3692, 4220, 4615, 5041, 5486, 9230, 10082, 10972, 13715, 14981, 18460, 20164, 25205, 27430, 29962, 50410, 54860, 59924, 65533, 74905, 100820, 131066, 149810, 194753, 262132, 299620, 327665, 389506, 655330, 779012, 973765, 1063651, 1310660, 1947530, 2127302, 3895060, 4254604, 5318255, 10636510, 13827463, 21273020, 27654926, 55309852, 69137315, 138274630, 276549260]

約数ペア:

[(1, 276549260), (2, 138274630), (4, 69137315), (5, 55309852), (10, 27654926), (13, 21273020), (20, 13827463), (26, 10636510), (52, 5318255), (65, 4254604), (71, 3895060), (130, 2127302), (142, 1947530), (211, 1310660), (260, 1063651), (284, 973765), (355, 779012), (422, 655330), (710, 389506), (844, 327665), (923, 299620), (1055, 262132), (1420, 194753), (1846, 149810), (2110, 131066), (2743, 100820), (3692, 74905), (4220, 65533), (4615, 59924), (5041, 54860), (5486, 50410), (9230, 29962), (10082, 27430), (10972, 25205), (13715, 20164), (14981, 18460)]