274880980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{65761}}^1$

素因数の和:65800

約数の個数: 48

約数和(自身を含む): 662880960

約数和(自身を除く): 387999980

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 65761, 131522, 263044, 328805, 657610, 723371, 1249459, 1315220, 1446742, 2498918, 2893484, 3616855, 4997836, 6247295, 7233710, 12494590, 13744049, 14467420, 24989180, 27488098, 54976196, 68720245, 137440490, 274880980]

約数ペア:

[(1, 274880980), (2, 137440490), (4, 68720245), (5, 54976196), (10, 27488098), (11, 24989180), (19, 14467420), (20, 13744049), (22, 12494590), (38, 7233710), (44, 6247295), (55, 4997836), (76, 3616855), (95, 2893484), (110, 2498918), (190, 1446742), (209, 1315220), (220, 1249459), (380, 723371), (418, 657610), (836, 328805), (1045, 263044), (2090, 131522), (4180, 65761)]