28173740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{3797}}^1$

素因数の和:3866

約数の個数: 48

約数和(自身を含む): 68910912

約数和(自身を除く): 40737172

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 53, 70, 106, 140, 212, 265, 371, 530, 742, 1060, 1484, 1855, 3710, 3797, 7420, 7594, 15188, 18985, 26579, 37970, 53158, 75940, 106316, 132895, 201241, 265790, 402482, 531580, 804964, 1006205, 1408687, 2012410, 2817374, 4024820, 5634748, 7043435, 14086870, 28173740]

約数ペア:

[(1, 28173740), (2, 14086870), (4, 7043435), (5, 5634748), (7, 4024820), (10, 2817374), (14, 2012410), (20, 1408687), (28, 1006205), (35, 804964), (53, 531580), (70, 402482), (106, 265790), (140, 201241), (212, 132895), (265, 106316), (371, 75940), (530, 53158), (742, 37970), (1060, 26579), (1484, 18985), (1855, 15188), (3710, 7594), (3797, 7420)]