256217860

素因数分解:

$2^2\times 5^1\times {\mathrm{347}}^1\times {\mathrm{36919}}^1$

素因数の和:37275

約数の個数: 24

約数和(自身を含む): 539622720

約数和(自身を除く): 283404860

約数列:

[1, 2, 4, 5, 10, 20, 347, 694, 1388, 1735, 3470, 6940, 36919, 73838, 147676, 184595, 369190, 738380, 12810893, 25621786, 51243572, 64054465, 128108930, 256217860]

約数ペア:

[(1, 256217860), (2, 128108930), (4, 64054465), (5, 51243572), (10, 25621786), (20, 12810893), (347, 738380), (694, 369190), (1388, 184595), (1735, 147676), (3470, 73838), (6940, 36919)]