218586020

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{4441}}^1$

素因数の和:4580

約数の個数: 48

約数和(自身を含む): 483573888

約数和(自身を除く): 264987868

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 107, 115, 214, 230, 428, 460, 535, 1070, 2140, 2461, 4441, 4922, 8882, 9844, 12305, 17764, 22205, 24610, 44410, 49220, 88820, 102143, 204286, 408572, 475187, 510715, 950374, 1021430, 1900748, 2042860, 2375935, 4751870, 9503740, 10929301, 21858602, 43717204, 54646505, 109293010, 218586020]

約数ペア:

[(1, 218586020), (2, 109293010), (4, 54646505), (5, 43717204), (10, 21858602), (20, 10929301), (23, 9503740), (46, 4751870), (92, 2375935), (107, 2042860), (115, 1900748), (214, 1021430), (230, 950374), (428, 510715), (460, 475187), (535, 408572), (1070, 204286), (2140, 102143), (2461, 88820), (4441, 49220), (4922, 44410), (8882, 24610), (9844, 22205), (12305, 17764)]