202504180

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{197}}^1\times {\mathrm{499}}^1$

素因数の和:808

約数の個数: 48

約数和(自身を含む): 432432000

約数和(自身を除く): 229927820

約数列:

[1, 2, 4, 5, 10, 20, 103, 197, 206, 394, 412, 499, 515, 788, 985, 998, 1030, 1970, 1996, 2060, 2495, 3940, 4990, 9980, 20291, 40582, 51397, 81164, 98303, 101455, 102794, 196606, 202910, 205588, 256985, 393212, 405820, 491515, 513970, 983030, 1027940, 1966060, 10125209, 20250418, 40500836, 50626045, 101252090, 202504180]

約数ペア:

[(1, 202504180), (2, 101252090), (4, 50626045), (5, 40500836), (10, 20250418), (20, 10125209), (103, 1966060), (197, 1027940), (206, 983030), (394, 513970), (412, 491515), (499, 405820), (515, 393212), (788, 256985), (985, 205588), (998, 202910), (1030, 196606), (1970, 102794), (1996, 101455), (2060, 98303), (2495, 81164), (3940, 51397), (4990, 40582), (9980, 20291)]