7872620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1061}}^1$

素因数の和:1130

約数の個数: 48

約数和(自身を含む): 19268928

約数和(自身を除く): 11396308

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 53, 70, 106, 140, 212, 265, 371, 530, 742, 1060, 1061, 1484, 1855, 2122, 3710, 4244, 5305, 7420, 7427, 10610, 14854, 21220, 29708, 37135, 56233, 74270, 112466, 148540, 224932, 281165, 393631, 562330, 787262, 1124660, 1574524, 1968155, 3936310, 7872620]

約数ペア:

[(1, 7872620), (2, 3936310), (4, 1968155), (5, 1574524), (7, 1124660), (10, 787262), (14, 562330), (20, 393631), (28, 281165), (35, 224932), (53, 148540), (70, 112466), (106, 74270), (140, 56233), (212, 37135), (265, 29708), (371, 21220), (530, 14854), (742, 10610), (1060, 7427), (1061, 7420), (1484, 5305), (1855, 4244), (2122, 3710)]