999941320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1237}}^1\times {\mathrm{2887}}^1$

素因数の和:4142

約数の個数: 64

約数和(自身を含む): 2574247680

約数和(自身を除く): 1574306360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1237, 2474, 2887, 4948, 5774, 6185, 8659, 9896, 11548, 12370, 14435, 17318, 20209, 23096, 24740, 28870, 34636, 40418, 43295, 49480, 57740, 69272, 80836, 86590, 101045, 115480, 161672, 173180, 202090, 346360, 404180, 808360, 3571219, 7142438, 14284876, 17856095, 24998533, 28569752, 35712190, 49997066, 71424380, 99994132, 124992665, 142848760, 199988264, 249985330, 499970660, 999941320]

約数ペア:

[(1, 999941320), (2, 499970660), (4, 249985330), (5, 199988264), (7, 142848760), (8, 124992665), (10, 99994132), (14, 71424380), (20, 49997066), (28, 35712190), (35, 28569752), (40, 24998533), (56, 17856095), (70, 14284876), (140, 7142438), (280, 3571219), (1237, 808360), (2474, 404180), (2887, 346360), (4948, 202090), (5774, 173180), (6185, 161672), (8659, 115480), (9896, 101045), (11548, 86590), (12370, 80836), (14435, 69272), (17318, 57740), (20209, 49480), (23096, 43295), (24740, 40418), (28870, 34636)]