42741580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{305297}}^1$

素因数の和:305313

約数の個数: 24

約数和(自身を含む): 102580128

約数和(自身を除く): 59838548

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 305297, 610594, 1221188, 1526485, 2137079, 3052970, 4274158, 6105940, 8548316, 10685395, 21370790, 42741580]

約数ペア:

[(1, 42741580), (2, 21370790), (4, 10685395), (5, 8548316), (7, 6105940), (10, 4274158), (14, 3052970), (20, 2137079), (28, 1526485), (35, 1221188), (70, 610594), (140, 305297)]