1298491310

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{20549}}^1$

素因数の和:20716

約数の個数: 32

約数和(自身を含む): 2396952000

約数和(自身を除く): 1098460690

約数列:

[1, 2, 5, 10, 71, 89, 142, 178, 355, 445, 710, 890, 6319, 12638, 20549, 31595, 41098, 63190, 102745, 205490, 1458979, 1828861, 2917958, 3657722, 7294895, 9144305, 14589790, 18288610, 129849131, 259698262, 649245655, 1298491310]

約数ペア:

[(1, 1298491310), (2, 649245655), (5, 259698262), (10, 129849131), (71, 18288610), (89, 14589790), (142, 9144305), (178, 7294895), (355, 3657722), (445, 2917958), (710, 1828861), (890, 1458979), (6319, 205490), (12638, 102745), (20549, 63190), (31595, 41098)]