214161780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{509909}}^1$

素因数の和:509928

約数の個数: 48

約数和(自身を含む): 685319040

約数和(自身を除く): 471157260

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, 509909, 1019818, 1529727, 2039636, 2549545, 3059454, 3569363, 5099090, 6118908, 7138726, 7648635, 10198180, 10708089, 14277452, 15297270, 17846815, 21416178, 30594540, 35693630, 42832356, 53540445, 71387260, 107080890, 214161780]

約数ペア:

[(1, 214161780), (2, 107080890), (3, 71387260), (4, 53540445), (5, 42832356), (6, 35693630), (7, 30594540), (10, 21416178), (12, 17846815), (14, 15297270), (15, 14277452), (20, 10708089), (21, 10198180), (28, 7648635), (30, 7138726), (35, 6118908), (42, 5099090), (60, 3569363), (70, 3059454), (84, 2549545), (105, 2039636), (140, 1529727), (210, 1019818), (420, 509909)]