280323290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{16979}}^1$

素因数の和:17126

約数の個数: 32

約数和(自身を含む): 547706880

約数和(自身を除く): 267383590

約数列:

[1, 2, 5, 10, 13, 26, 65, 127, 130, 254, 635, 1270, 1651, 3302, 8255, 16510, 16979, 33958, 84895, 169790, 220727, 441454, 1103635, 2156333, 2207270, 4312666, 10781665, 21563330, 28032329, 56064658, 140161645, 280323290]

約数ペア:

[(1, 280323290), (2, 140161645), (5, 56064658), (10, 28032329), (13, 21563330), (26, 10781665), (65, 4312666), (127, 2207270), (130, 2156333), (254, 1103635), (635, 441454), (1270, 220727), (1651, 169790), (3302, 84895), (8255, 33958), (16510, 16979)]