17450260

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{197}}^1$

素因数の和:352

約数の個数: 48

約数和(自身を含む): 38054016

約数和(自身を除く): 20603756

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 103, 172, 197, 206, 215, 394, 412, 430, 515, 788, 860, 985, 1030, 1970, 2060, 3940, 4429, 8471, 8858, 16942, 17716, 20291, 22145, 33884, 40582, 42355, 44290, 81164, 84710, 88580, 101455, 169420, 202910, 405820, 872513, 1745026, 3490052, 4362565, 8725130, 17450260]

約数ペア:

[(1, 17450260), (2, 8725130), (4, 4362565), (5, 3490052), (10, 1745026), (20, 872513), (43, 405820), (86, 202910), (103, 169420), (172, 101455), (197, 88580), (206, 84710), (215, 81164), (394, 44290), (412, 42355), (430, 40582), (515, 33884), (788, 22145), (860, 20291), (985, 17716), (1030, 16942), (1970, 8858), (2060, 8471), (3940, 4429)]