2189180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{823}}^1$

素因数の和:858

約数の個数: 48

約数和(自身を含む): 5537280

約数和(自身を除く): 3348100

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 823, 1330, 1646, 2660, 3292, 4115, 5761, 8230, 11522, 15637, 16460, 23044, 28805, 31274, 57610, 62548, 78185, 109459, 115220, 156370, 218918, 312740, 437836, 547295, 1094590, 2189180]

約数ペア:

[(1, 2189180), (2, 1094590), (4, 547295), (5, 437836), (7, 312740), (10, 218918), (14, 156370), (19, 115220), (20, 109459), (28, 78185), (35, 62548), (38, 57610), (70, 31274), (76, 28805), (95, 23044), (133, 16460), (140, 15637), (190, 11522), (266, 8230), (380, 5761), (532, 4115), (665, 3292), (823, 2660), (1330, 1646)]