219180976

素因数分解:

$2^4\times 7^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{641}}^1$

素因数の和:770

約数の個数: 80

約数和(自身を含む): 504396288

約数和(自身を除く): 285215312

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 43, 56, 71, 86, 112, 142, 172, 284, 301, 344, 497, 568, 602, 641, 688, 994, 1136, 1204, 1282, 1988, 2408, 2564, 3053, 3976, 4487, 4816, 5128, 6106, 7952, 8974, 10256, 12212, 17948, 21371, 24424, 27563, 35896, 42742, 45511, 48848, 55126, 71792, 85484, 91022, 110252, 170968, 182044, 192941, 220504, 318577, 341936, 364088, 385882, 441008, 637154, 728176, 771764, 1274308, 1543528, 1956973, 2548616, 3087056, 3913946, 5097232, 7827892, 13698811, 15655784, 27397622, 31311568, 54795244, 109590488, 219180976]

約数ペア:

[(1, 219180976), (2, 109590488), (4, 54795244), (7, 31311568), (8, 27397622), (14, 15655784), (16, 13698811), (28, 7827892), (43, 5097232), (56, 3913946), (71, 3087056), (86, 2548616), (112, 1956973), (142, 1543528), (172, 1274308), (284, 771764), (301, 728176), (344, 637154), (497, 441008), (568, 385882), (602, 364088), (641, 341936), (688, 318577), (994, 220504), (1136, 192941), (1204, 182044), (1282, 170968), (1988, 110252), (2408, 91022), (2564, 85484), (3053, 71792), (3976, 55126), (4487, 48848), (4816, 45511), (5128, 42742), (6106, 35896), (7952, 27563), (8974, 24424), (10256, 21371), (12212, 17948)]