206874290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{68729}}^1$

素因数の和:68786

約数の個数: 32

約数和(自身を含む): 435473280

約数和(自身を除く): 228598990

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 70, 86, 215, 301, 430, 602, 1505, 3010, 68729, 137458, 343645, 481103, 687290, 962206, 2405515, 2955347, 4811030, 5910694, 14776735, 20687429, 29553470, 41374858, 103437145, 206874290]

約数ペア:

[(1, 206874290), (2, 103437145), (5, 41374858), (7, 29553470), (10, 20687429), (14, 14776735), (35, 5910694), (43, 4811030), (70, 2955347), (86, 2405515), (215, 962206), (301, 687290), (430, 481103), (602, 343645), (1505, 137458), (3010, 68729)]