257910910

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{37003}}^1$

素因数の和:37068

約数の個数: 32

約数和(自身を含む): 503550432

約数和(自身を除く): 245639522

約数列:

[1, 2, 5, 10, 17, 34, 41, 82, 85, 170, 205, 410, 697, 1394, 3485, 6970, 37003, 74006, 185015, 370030, 629051, 1258102, 1517123, 3034246, 3145255, 6290510, 7585615, 15171230, 25791091, 51582182, 128955455, 257910910]

約数ペア:

[(1, 257910910), (2, 128955455), (5, 51582182), (10, 25791091), (17, 15171230), (34, 7585615), (41, 6290510), (82, 3145255), (85, 3034246), (170, 1517123), (205, 1258102), (410, 629051), (697, 370030), (1394, 185015), (3485, 74006), (6970, 37003)]