168983980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{17863}}^1$

素因数の和:17926

約数の個数: 48

約数和(自身を含む): 396152064

約数和(自身を除く): 227168084

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, 17863, 35726, 71452, 89315, 178630, 196493, 357260, 392986, 768109, 785972, 982465, 1536218, 1964930, 3072436, 3840545, 3929860, 7681090, 8449199, 15362180, 16898398, 33796796, 42245995, 84491990, 168983980]

約数ペア:

[(1, 168983980), (2, 84491990), (4, 42245995), (5, 33796796), (10, 16898398), (11, 15362180), (20, 8449199), (22, 7681090), (43, 3929860), (44, 3840545), (55, 3072436), (86, 1964930), (110, 1536218), (172, 982465), (215, 785972), (220, 768109), (430, 392986), (473, 357260), (860, 196493), (946, 178630), (1892, 89315), (2365, 71452), (4730, 35726), (9460, 17863)]