2985780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{7109}}^1$

素因数の和:7128

約数の個数: 48

約数和(自身を含む): 9555840

約数和(自身を除く): 6570060

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, 7109, 14218, 21327, 28436, 35545, 42654, 49763, 71090, 85308, 99526, 106635, 142180, 149289, 199052, 213270, 248815, 298578, 426540, 497630, 597156, 746445, 995260, 1492890, 2985780]

約数ペア:

[(1, 2985780), (2, 1492890), (3, 995260), (4, 746445), (5, 597156), (6, 497630), (7, 426540), (10, 298578), (12, 248815), (14, 213270), (15, 199052), (20, 149289), (21, 142180), (28, 106635), (30, 99526), (35, 85308), (42, 71090), (60, 49763), (70, 42654), (84, 35545), (105, 28436), (140, 21327), (210, 14218), (420, 7109)]