19997266470

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{347}}^1\times {\mathrm{431}}^1\times {\mathrm{4457}}^1$

素因数の和:5245

約数の個数: 64

約数和(自身を含む): 48254247936

約数和(自身を除く): 28256981466

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 347, 431, 694, 862, 1041, 1293, 1735, 2082, 2155, 2586, 3470, 4310, 4457, 5205, 6465, 8914, 10410, 12930, 13371, 22285, 26742, 44570, 66855, 133710, 149557, 299114, 448671, 747785, 897342, 1495570, 1546579, 1920967, 2243355, 3093158, 3841934, 4486710, 4639737, 5762901, 7732895, 9279474, 9604835, 11525802, 15465790, 19209670, 23198685, 28814505, 46397370, 57629010, 666575549, 1333151098, 1999726647, 3332877745, 3999453294, 6665755490, 9998633235, 19997266470]

約数ペア:

[(1, 19997266470), (2, 9998633235), (3, 6665755490), (5, 3999453294), (6, 3332877745), (10, 1999726647), (15, 1333151098), (30, 666575549), (347, 57629010), (431, 46397370), (694, 28814505), (862, 23198685), (1041, 19209670), (1293, 15465790), (1735, 11525802), (2082, 9604835), (2155, 9279474), (2586, 7732895), (3470, 5762901), (4310, 4639737), (4457, 4486710), (5205, 3841934), (6465, 3093158), (8914, 2243355), (10410, 1920967), (12930, 1546579), (13371, 1495570), (22285, 897342), (26742, 747785), (44570, 448671), (66855, 299114), (133710, 149557)]