1288894280

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{419}}^1\times {\mathrm{1451}}^1$

素因数の和:1934

約数の個数: 64

約数和(自身を含む): 2963822400

約数和(自身を除く): 1674928120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 419, 424, 530, 838, 1060, 1451, 1676, 2095, 2120, 2902, 3352, 4190, 5804, 7255, 8380, 11608, 14510, 16760, 22207, 29020, 44414, 58040, 76903, 88828, 111035, 153806, 177656, 222070, 307612, 384515, 444140, 607969, 615224, 769030, 888280, 1215938, 1538060, 2431876, 3039845, 3076120, 4863752, 6079690, 12159380, 24318760, 32222357, 64444714, 128889428, 161111785, 257778856, 322223570, 644447140, 1288894280]

約数ペア:

[(1, 1288894280), (2, 644447140), (4, 322223570), (5, 257778856), (8, 161111785), (10, 128889428), (20, 64444714), (40, 32222357), (53, 24318760), (106, 12159380), (212, 6079690), (265, 4863752), (419, 3076120), (424, 3039845), (530, 2431876), (838, 1538060), (1060, 1215938), (1451, 888280), (1676, 769030), (2095, 615224), (2120, 607969), (2902, 444140), (3352, 384515), (4190, 307612), (5804, 222070), (7255, 177656), (8380, 153806), (11608, 111035), (14510, 88828), (16760, 76903), (22207, 58040), (29020, 44414)]