278319230

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{31307}}^1$

素因数の和:31448

約数の個数: 32

約数和(自身を含む): 577069056

約数和(自身を除く): 298749826

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 127, 254, 635, 889, 1270, 1778, 4445, 8890, 31307, 62614, 156535, 219149, 313070, 438298, 1095745, 2191490, 3975989, 7951978, 19879945, 27831923, 39759890, 55663846, 139159615, 278319230]

約数ペア:

[(1, 278319230), (2, 139159615), (5, 55663846), (7, 39759890), (10, 27831923), (14, 19879945), (35, 7951978), (70, 3975989), (127, 2191490), (254, 1095745), (635, 438298), (889, 313070), (1270, 219149), (1778, 156535), (4445, 62614), (8890, 31307)]