280204514

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1\times {\mathrm{1217}}^1$

素因数の和:1394

約数の個数: 32

約数和(自身を含む): 454265280

約数和(自身を除く): 174060766

約数列:

[1, 2, 19, 38, 73, 83, 146, 166, 1217, 1387, 1577, 2434, 2774, 3154, 6059, 12118, 23123, 46246, 88841, 101011, 115121, 177682, 202022, 230242, 1687979, 1919209, 3375958, 3838418, 7373803, 14747606, 140102257, 280204514]

約数ペア:

[(1, 280204514), (2, 140102257), (19, 14747606), (38, 7373803), (73, 3838418), (83, 3375958), (146, 1919209), (166, 1687979), (1217, 230242), (1387, 202022), (1577, 177682), (2434, 115121), (2774, 101011), (3154, 88841), (6059, 46246), (12118, 23123)]