164908240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{294479}}^1$

素因数の和:294499

約数の個数: 40

約数和(自身を含む): 438186240

約数和(自身を除く): 273278000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 294479, 588958, 1177916, 1472395, 2061353, 2355832, 2944790, 4122706, 4711664, 5889580, 8245412, 10306765, 11779160, 16490824, 20613530, 23558320, 32981648, 41227060, 82454120, 164908240]

約数ペア:

[(1, 164908240), (2, 82454120), (4, 41227060), (5, 32981648), (7, 23558320), (8, 20613530), (10, 16490824), (14, 11779160), (16, 10306765), (20, 8245412), (28, 5889580), (35, 4711664), (40, 4122706), (56, 2944790), (70, 2355832), (80, 2061353), (112, 1472395), (140, 1177916), (280, 588958), (560, 294479)]