267777260

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{6977}}^1$

素因数の和:7106

約数の個数: 48

約数和(自身を含む): 597875040

約数和(自身を除く): 330097780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 101, 190, 202, 380, 404, 505, 1010, 1919, 2020, 3838, 6977, 7676, 9595, 13954, 19190, 27908, 34885, 38380, 69770, 132563, 139540, 265126, 530252, 662815, 704677, 1325630, 1409354, 2651260, 2818708, 3523385, 7046770, 13388863, 14093540, 26777726, 53555452, 66944315, 133888630, 267777260]

約数ペア:

[(1, 267777260), (2, 133888630), (4, 66944315), (5, 53555452), (10, 26777726), (19, 14093540), (20, 13388863), (38, 7046770), (76, 3523385), (95, 2818708), (101, 2651260), (190, 1409354), (202, 1325630), (380, 704677), (404, 662815), (505, 530252), (1010, 265126), (1919, 139540), (2020, 132563), (3838, 69770), (6977, 38380), (7676, 34885), (9595, 27908), (13954, 19190)]