168606920

素因数分解:

$2^3\times 5^1\times {\mathrm{353}}^1\times {\mathrm{11941}}^1$

素因数の和:12305

約数の個数: 32

約数和(自身を含む): 380472120

約数和(自身を除く): 211865200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 353, 706, 1412, 1765, 2824, 3530, 7060, 11941, 14120, 23882, 47764, 59705, 95528, 119410, 238820, 477640, 4215173, 8430346, 16860692, 21075865, 33721384, 42151730, 84303460, 168606920]

約数ペア:

[(1, 168606920), (2, 84303460), (4, 42151730), (5, 33721384), (8, 21075865), (10, 16860692), (20, 8430346), (40, 4215173), (353, 477640), (706, 238820), (1412, 119410), (1765, 95528), (2824, 59705), (3530, 47764), (7060, 23882), (11941, 14120)]