8404620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{20011}}^1$

素因数の和:20030

約数の個数: 48

約数和(自身を含む): 26896128

約数和(自身を除く): 18491508

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 20011, 40022, 60033, 80044, 100055, 120066, 140077, 200110, 240132, 280154, 300165, 400220, 420231, 560308, 600330, 700385, 840462, 1200660, 1400770, 1680924, 2101155, 2801540, 4202310, 8404620]

約数ペア:

[(1, 8404620), (2, 4202310), (3, 2801540), (4, 2101155), (5, 1680924), (6, 1400770), (7, 1200660), (10, 840462), (12, 700385), (14, 600330), (15, 560308), (20, 420231), (21, 400220), (28, 300165), (30, 280154), (35, 240132), (42, 200110), (60, 140077), (70, 120066), (84, 100055), (105, 80044), (140, 60033), (210, 40022), (420, 20011)]