409898210

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1\times {\mathrm{293}}^1$

素因数の和:555

約数の個数: 64

約数和(自身を含む): 804384000

約数和(自身を除く): 394485790

約数列:

[1, 2, 5, 10, 19, 37, 38, 74, 95, 185, 190, 199, 293, 370, 398, 586, 703, 995, 1406, 1465, 1990, 2930, 3515, 3781, 5567, 7030, 7363, 7562, 10841, 11134, 14726, 18905, 21682, 27835, 36815, 37810, 54205, 55670, 58307, 73630, 108410, 116614, 139897, 205979, 279794, 291535, 411958, 583070, 699485, 1029895, 1107833, 1398970, 2059790, 2157359, 2215666, 4314718, 5539165, 10786795, 11078330, 21573590, 40989821, 81979642, 204949105, 409898210]

約数ペア:

[(1, 409898210), (2, 204949105), (5, 81979642), (10, 40989821), (19, 21573590), (37, 11078330), (38, 10786795), (74, 5539165), (95, 4314718), (185, 2215666), (190, 2157359), (199, 2059790), (293, 1398970), (370, 1107833), (398, 1029895), (586, 699485), (703, 583070), (995, 411958), (1406, 291535), (1465, 279794), (1990, 205979), (2930, 139897), (3515, 116614), (3781, 108410), (5567, 73630), (7030, 58307), (7363, 55670), (7562, 54205), (10841, 37810), (11134, 36815), (14726, 27835), (18905, 21682)]