394431410

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{397}}^1\times {\mathrm{1361}}^1$

素因数の和:1838

約数の個数: 32

約数和(自身を含む): 722045232

約数和(自身を除く): 327613822

約数列:

[1, 2, 5, 10, 73, 146, 365, 397, 730, 794, 1361, 1985, 2722, 3970, 6805, 13610, 28981, 57962, 99353, 144905, 198706, 289810, 496765, 540317, 993530, 1080634, 2701585, 5403170, 39443141, 78886282, 197215705, 394431410]

約数ペア:

[(1, 394431410), (2, 197215705), (5, 78886282), (10, 39443141), (73, 5403170), (146, 2701585), (365, 1080634), (397, 993530), (730, 540317), (794, 496765), (1361, 289810), (1985, 198706), (2722, 144905), (3970, 99353), (6805, 57962), (13610, 28981)]