280564844

素因数分解:

$2^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{257}}^1\times {\mathrm{307}}^1$

素因数の和:702

約数の個数: 48

約数和(自身を含む): 569597952

約数和(自身を除く): 289033108

約数列:

[1, 2, 4, 7, 14, 28, 127, 254, 257, 307, 508, 514, 614, 889, 1028, 1228, 1778, 1799, 2149, 3556, 3598, 4298, 7196, 8596, 32639, 38989, 65278, 77978, 78899, 130556, 155956, 157798, 228473, 272923, 315596, 456946, 545846, 552293, 913892, 1091692, 1104586, 2209172, 10020173, 20040346, 40080692, 70141211, 140282422, 280564844]

約数ペア:

[(1, 280564844), (2, 140282422), (4, 70141211), (7, 40080692), (14, 20040346), (28, 10020173), (127, 2209172), (254, 1104586), (257, 1091692), (307, 913892), (508, 552293), (514, 545846), (614, 456946), (889, 315596), (1028, 272923), (1228, 228473), (1778, 157798), (1799, 155956), (2149, 130556), (3556, 78899), (3598, 77978), (4298, 65278), (7196, 38989), (8596, 32639)]