248980970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{25589}}^1$

素因数の和:25742

約数の個数: 32

約数和(自身を含む): 515894400

約数和(自身を除く): 266913430

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 139, 278, 695, 973, 1390, 1946, 4865, 9730, 25589, 51178, 127945, 179123, 255890, 358246, 895615, 1791230, 3556871, 7113742, 17784355, 24898097, 35568710, 49796194, 124490485, 248980970]

約数ペア:

[(1, 248980970), (2, 124490485), (5, 49796194), (7, 35568710), (10, 24898097), (14, 17784355), (35, 7113742), (70, 3556871), (139, 1791230), (278, 895615), (695, 358246), (973, 255890), (1390, 179123), (1946, 127945), (4865, 51178), (9730, 25589)]