550457180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{43207}}^1$

素因数の和:43243

約数の個数: 72

約数和(自身を含む): 1448159328

約数和(自身を除く): 897702148

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 364, 455, 490, 637, 910, 980, 1274, 1820, 2548, 3185, 6370, 12740, 43207, 86414, 172828, 216035, 302449, 432070, 561691, 604898, 864140, 1123382, 1209796, 1512245, 2117143, 2246764, 2808455, 3024490, 3931837, 4234286, 5616910, 6048980, 7863674, 8468572, 10585715, 11233820, 15727348, 19659185, 21171430, 27522859, 39318370, 42342860, 55045718, 78636740, 110091436, 137614295, 275228590, 550457180]

約数ペア:

[(1, 550457180), (2, 275228590), (4, 137614295), (5, 110091436), (7, 78636740), (10, 55045718), (13, 42342860), (14, 39318370), (20, 27522859), (26, 21171430), (28, 19659185), (35, 15727348), (49, 11233820), (52, 10585715), (65, 8468572), (70, 7863674), (91, 6048980), (98, 5616910), (130, 4234286), (140, 3931837), (182, 3024490), (196, 2808455), (245, 2246764), (260, 2117143), (364, 1512245), (455, 1209796), (490, 1123382), (637, 864140), (910, 604898), (980, 561691), (1274, 432070), (1820, 302449), (2548, 216035), (3185, 172828), (6370, 86414), (12740, 43207)]