254317150

素因数分解:

$2^1\times 5^2\times {\mathrm{197}}^1\times {\mathrm{25819}}^1$

素因数の和:26028

約数の個数: 24

約数和(自身を含む): 475449480

約数和(自身を除く): 221132330

約数列:

[1, 2, 5, 10, 25, 50, 197, 394, 985, 1970, 4925, 9850, 25819, 51638, 129095, 258190, 645475, 1290950, 5086343, 10172686, 25431715, 50863430, 127158575, 254317150]

約数ペア:

[(1, 254317150), (2, 127158575), (5, 50863430), (10, 25431715), (25, 10172686), (50, 5086343), (197, 1290950), (394, 645475), (985, 258190), (1970, 129095), (4925, 51638), (9850, 25819)]