129125230

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{179}}^2$

素因数の和:409

約数の個数: 48

約数和(自身を含む): 259830144

約数和(自身を除く): 130704914

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 179, 310, 358, 403, 806, 895, 1790, 2015, 2327, 4030, 4654, 5549, 11098, 11635, 23270, 27745, 32041, 55490, 64082, 72137, 144274, 160205, 320410, 360685, 416533, 721370, 833066, 993271, 1986542, 2082665, 4165330, 4966355, 9932710, 12912523, 25825046, 64562615, 129125230]

約数ペア:

[(1, 129125230), (2, 64562615), (5, 25825046), (10, 12912523), (13, 9932710), (26, 4966355), (31, 4165330), (62, 2082665), (65, 1986542), (130, 993271), (155, 833066), (179, 721370), (310, 416533), (358, 360685), (403, 320410), (806, 160205), (895, 144274), (1790, 72137), (2015, 64082), (2327, 55490), (4030, 32041), (4654, 27745), (5549, 23270), (11098, 11635)]