205436300

素因数分解:

$2^2\times 5^2\times {\mathrm{97}}^1\times {\mathrm{21179}}^1$

素因数の和:21290

約数の個数: 36

約数和(自身を含む): 450413880

約数和(自身を除く): 244977580

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 97, 100, 194, 388, 485, 970, 1940, 2425, 4850, 9700, 21179, 42358, 84716, 105895, 211790, 423580, 529475, 1058950, 2054363, 2117900, 4108726, 8217452, 10271815, 20543630, 41087260, 51359075, 102718150, 205436300]

約数ペア:

[(1, 205436300), (2, 102718150), (4, 51359075), (5, 41087260), (10, 20543630), (20, 10271815), (25, 8217452), (50, 4108726), (97, 2117900), (100, 2054363), (194, 1058950), (388, 529475), (485, 423580), (970, 211790), (1940, 105895), (2425, 84716), (4850, 42358), (9700, 21179)]