389948500

素因数分解:

$2^2\times 5^3\times {\mathrm{29}}^1\times {\mathrm{26893}}^1$

素因数の和:26941

約数の個数: 48

約数和(自身を含む): 881047440

約数和(自身を除く): 491098940

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 125, 145, 250, 290, 500, 580, 725, 1450, 2900, 3625, 7250, 14500, 26893, 53786, 107572, 134465, 268930, 537860, 672325, 779897, 1344650, 1559794, 2689300, 3119588, 3361625, 3899485, 6723250, 7798970, 13446500, 15597940, 19497425, 38994850, 77989700, 97487125, 194974250, 389948500]

約数ペア:

[(1, 389948500), (2, 194974250), (4, 97487125), (5, 77989700), (10, 38994850), (20, 19497425), (25, 15597940), (29, 13446500), (50, 7798970), (58, 6723250), (100, 3899485), (116, 3361625), (125, 3119588), (145, 2689300), (250, 1559794), (290, 1344650), (500, 779897), (580, 672325), (725, 537860), (1450, 268930), (2900, 134465), (3625, 107572), (7250, 53786), (14500, 26893)]