38875340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{3911}}^1$

素因数の和:3998

約数の個数: 48

約数和(自身を含む): 94639104

約数和(自身を除く): 55763764

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 3911, 4970, 7822, 9940, 15644, 19555, 27377, 39110, 54754, 78220, 109508, 136885, 273770, 277681, 547540, 555362, 1110724, 1388405, 1943767, 2776810, 3887534, 5553620, 7775068, 9718835, 19437670, 38875340]

約数ペア:

[(1, 38875340), (2, 19437670), (4, 9718835), (5, 7775068), (7, 5553620), (10, 3887534), (14, 2776810), (20, 1943767), (28, 1388405), (35, 1110724), (70, 555362), (71, 547540), (140, 277681), (142, 273770), (284, 136885), (355, 109508), (497, 78220), (710, 54754), (994, 39110), (1420, 27377), (1988, 19555), (2485, 15644), (3911, 9940), (4970, 7822)]