89784860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{9491}}^1$

素因数の和:9554

約数の個数: 48

約数和(自身を含む): 210494592

約数和(自身を除く): 120709732

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 172, 215, 220, 430, 473, 860, 946, 1892, 2365, 4730, 9460, 9491, 18982, 37964, 47455, 94910, 104401, 189820, 208802, 408113, 417604, 522005, 816226, 1044010, 1632452, 2040565, 2088020, 4081130, 4489243, 8162260, 8978486, 17956972, 22446215, 44892430, 89784860]

約数ペア:

[(1, 89784860), (2, 44892430), (4, 22446215), (5, 17956972), (10, 8978486), (11, 8162260), (20, 4489243), (22, 4081130), (43, 2088020), (44, 2040565), (55, 1632452), (86, 1044010), (110, 816226), (172, 522005), (215, 417604), (220, 408113), (430, 208802), (473, 189820), (860, 104401), (946, 94910), (1892, 47455), (2365, 37964), (4730, 18982), (9460, 9491)]