213888988870

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1\times {\mathrm{383}}^1\times {\mathrm{5209}}^1$

素因数の和:5821

約数の個数: 64

約数和(自身を含む): 394110074880

約数和(自身を除く): 180221086010

約数列:

[1, 2, 5, 10, 71, 142, 151, 302, 355, 383, 710, 755, 766, 1510, 1915, 3830, 5209, 10418, 10721, 21442, 26045, 27193, 52090, 53605, 54386, 57833, 107210, 115666, 135965, 271930, 289165, 369839, 578330, 739678, 786559, 1573118, 1849195, 1995047, 3698390, 3932795, 3990094, 4106143, 7865590, 8212286, 9975235, 19950470, 20530715, 41061430, 55845689, 111691378, 141648337, 279228445, 283296674, 301252097, 558456890, 602504194, 708241685, 1416483370, 1506260485, 3012520970, 21388898887, 42777797774, 106944494435, 213888988870]

約数ペア:

[(1, 213888988870), (2, 106944494435), (5, 42777797774), (10, 21388898887), (71, 3012520970), (142, 1506260485), (151, 1416483370), (302, 708241685), (355, 602504194), (383, 558456890), (710, 301252097), (755, 283296674), (766, 279228445), (1510, 141648337), (1915, 111691378), (3830, 55845689), (5209, 41061430), (10418, 20530715), (10721, 19950470), (21442, 9975235), (26045, 8212286), (27193, 7865590), (52090, 4106143), (53605, 3990094), (54386, 3932795), (57833, 3698390), (107210, 1995047), (115666, 1849195), (135965, 1573118), (271930, 786559), (289165, 739678), (369839, 578330)]