423780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{1009}}^1$

素因数の和:1028

約数の個数: 48

約数和(自身を含む): 1357440

約数和(自身を除く): 933660

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, 1009, 2018, 3027, 4036, 5045, 6054, 7063, 10090, 12108, 14126, 15135, 20180, 21189, 28252, 30270, 35315, 42378, 60540, 70630, 84756, 105945, 141260, 211890, 423780]

約数ペア:

[(1, 423780), (2, 211890), (3, 141260), (4, 105945), (5, 84756), (6, 70630), (7, 60540), (10, 42378), (12, 35315), (14, 30270), (15, 28252), (20, 21189), (21, 20180), (28, 15135), (30, 14126), (35, 12108), (42, 10090), (60, 7063), (70, 6054), (84, 5045), (105, 4036), (140, 3027), (210, 2018), (420, 1009)]