12499620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{29761}}^1$

素因数の和:29780

約数の個数: 48

約数和(自身を含む): 40000128

約数和(自身を除く): 27500508

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, 29761, 59522, 89283, 119044, 148805, 178566, 208327, 297610, 357132, 416654, 446415, 595220, 624981, 833308, 892830, 1041635, 1249962, 1785660, 2083270, 2499924, 3124905, 4166540, 6249810, 12499620]

約数ペア:

[(1, 12499620), (2, 6249810), (3, 4166540), (4, 3124905), (5, 2499924), (6, 2083270), (7, 1785660), (10, 1249962), (12, 1041635), (14, 892830), (15, 833308), (20, 624981), (21, 595220), (28, 446415), (30, 416654), (35, 357132), (42, 297610), (60, 208327), (70, 178566), (84, 148805), (105, 119044), (140, 89283), (210, 59522), (420, 29761)]