121210490

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{2161}}^1$

素因数の和:2318

約数の個数: 32

約数和(自身を含む): 224156160

約数和(自身を除く): 102945670

約数列:

[1, 2, 5, 10, 71, 79, 142, 158, 355, 395, 710, 790, 2161, 4322, 5609, 10805, 11218, 21610, 28045, 56090, 153431, 170719, 306862, 341438, 767155, 853595, 1534310, 1707190, 12121049, 24242098, 60605245, 121210490]

約数ペア:

[(1, 121210490), (2, 60605245), (5, 24242098), (10, 12121049), (71, 1707190), (79, 1534310), (142, 853595), (158, 767155), (355, 341438), (395, 306862), (710, 170719), (790, 153431), (2161, 56090), (4322, 28045), (5609, 21610), (10805, 11218)]