258386620

素因数分解:

$2^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{29429}}^1$

素因数の和:29877

約数の個数: 24

約数和(自身を含む): 543866400

約数和(自身を除く): 285479780

約数列:

[1, 2, 4, 5, 10, 20, 439, 878, 1756, 2195, 4390, 8780, 29429, 58858, 117716, 147145, 294290, 588580, 12919331, 25838662, 51677324, 64596655, 129193310, 258386620]

約数ペア:

[(1, 258386620), (2, 129193310), (4, 64596655), (5, 51677324), (10, 25838662), (20, 12919331), (439, 588580), (878, 294290), (1756, 147145), (2195, 117716), (4390, 58858), (8780, 29429)]