129420140

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{1051}}^1$

素因数の和:1238

約数の個数: 48

約数和(自身を含む): 279949824

約数和(自身を除く): 150529684

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 131, 188, 235, 262, 470, 524, 655, 940, 1051, 1310, 2102, 2620, 4204, 5255, 6157, 10510, 12314, 21020, 24628, 30785, 49397, 61570, 98794, 123140, 137681, 197588, 246985, 275362, 493970, 550724, 688405, 987940, 1376810, 2753620, 6471007, 12942014, 25884028, 32355035, 64710070, 129420140]

約数ペア:

[(1, 129420140), (2, 64710070), (4, 32355035), (5, 25884028), (10, 12942014), (20, 6471007), (47, 2753620), (94, 1376810), (131, 987940), (188, 688405), (235, 550724), (262, 493970), (470, 275362), (524, 246985), (655, 197588), (940, 137681), (1051, 123140), (1310, 98794), (2102, 61570), (2620, 49397), (4204, 30785), (5255, 24628), (6157, 21020), (10510, 12314)]