207616580

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{409}}^1\times {\mathrm{1493}}^1$

素因数の和:1928

約数の個数: 48

約数和(自身を含む): 463080240

約数和(自身を除く): 255463660

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 409, 818, 1493, 1636, 2045, 2986, 4090, 5972, 6953, 7465, 8180, 13906, 14930, 25381, 27812, 29860, 34765, 50762, 69530, 101524, 126905, 139060, 253810, 507620, 610637, 1221274, 2442548, 3053185, 6106370, 10380829, 12212740, 20761658, 41523316, 51904145, 103808290, 207616580]

約数ペア:

[(1, 207616580), (2, 103808290), (4, 51904145), (5, 41523316), (10, 20761658), (17, 12212740), (20, 10380829), (34, 6106370), (68, 3053185), (85, 2442548), (170, 1221274), (340, 610637), (409, 507620), (818, 253810), (1493, 139060), (1636, 126905), (2045, 101524), (2986, 69530), (4090, 50762), (5972, 34765), (6953, 29860), (7465, 27812), (8180, 25381), (13906, 14930)]