254620

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{439}}^1$

素因数の和:477

約数の個数: 24

約数和(自身を含む): 554400

約数和(自身を除く): 299780

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 439, 580, 878, 1756, 2195, 4390, 8780, 12731, 25462, 50924, 63655, 127310, 254620]

約数ペア:

[(1, 254620), (2, 127310), (4, 63655), (5, 50924), (10, 25462), (20, 12731), (29, 8780), (58, 4390), (116, 2195), (145, 1756), (290, 878), (439, 580)]