291556960

素因数分解:

$2^5\times 5^1\times {\mathrm{419}}^1\times {\mathrm{4349}}^1$

素因数の和:4783

約数の個数: 48

約数和(自身を含む): 690606000

約数和(自身を除く): 399049040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 419, 838, 1676, 2095, 3352, 4190, 4349, 6704, 8380, 8698, 13408, 16760, 17396, 21745, 33520, 34792, 43490, 67040, 69584, 86980, 139168, 173960, 347920, 695840, 1822231, 3644462, 7288924, 9111155, 14577848, 18222310, 29155696, 36444620, 58311392, 72889240, 145778480, 291556960]

約数ペア:

[(1, 291556960), (2, 145778480), (4, 72889240), (5, 58311392), (8, 36444620), (10, 29155696), (16, 18222310), (20, 14577848), (32, 9111155), (40, 7288924), (80, 3644462), (160, 1822231), (419, 695840), (838, 347920), (1676, 173960), (2095, 139168), (3352, 86980), (4190, 69584), (4349, 67040), (6704, 43490), (8380, 34792), (8698, 33520), (13408, 21745), (16760, 17396)]