203667020

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{277}}^1\times {\mathrm{379}}^1$

素因数の和:762

約数の個数: 48

約数和(自身を含む): 434814240

約数和(自身を除く): 231147220

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 277, 379, 388, 485, 554, 758, 970, 1108, 1385, 1516, 1895, 1940, 2770, 3790, 5540, 7580, 26869, 36763, 53738, 73526, 104983, 107476, 134345, 147052, 183815, 209966, 268690, 367630, 419932, 524915, 537380, 735260, 1049830, 2099660, 10183351, 20366702, 40733404, 50916755, 101833510, 203667020]

約数ペア:

[(1, 203667020), (2, 101833510), (4, 50916755), (5, 40733404), (10, 20366702), (20, 10183351), (97, 2099660), (194, 1049830), (277, 735260), (379, 537380), (388, 524915), (485, 419932), (554, 367630), (758, 268690), (970, 209966), (1108, 183815), (1385, 147052), (1516, 134345), (1895, 107476), (1940, 104983), (2770, 73526), (3790, 53738), (5540, 36763), (7580, 26869)]