1986180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{4729}}^1$

素因数の和:4748

約数の個数: 48

約数和(自身を含む): 6357120

約数和(自身を除く): 4370940

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, 4729, 9458, 14187, 18916, 23645, 28374, 33103, 47290, 56748, 66206, 70935, 94580, 99309, 132412, 141870, 165515, 198618, 283740, 331030, 397236, 496545, 662060, 993090, 1986180]

約数ペア:

[(1, 1986180), (2, 993090), (3, 662060), (4, 496545), (5, 397236), (6, 331030), (7, 283740), (10, 198618), (12, 165515), (14, 141870), (15, 132412), (20, 99309), (21, 94580), (28, 70935), (30, 66206), (35, 56748), (42, 47290), (60, 33103), (70, 28374), (84, 23645), (105, 18916), (140, 14187), (210, 9458), (420, 4729)]