254487940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1817771}}^1$

素因数の和:1817787

約数の個数: 24

約数和(自身を含む): 610771392

約数和(自身を除く): 356283452

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1817771, 3635542, 7271084, 9088855, 12724397, 18177710, 25448794, 36355420, 50897588, 63621985, 127243970, 254487940]

約数ペア:

[(1, 254487940), (2, 127243970), (4, 63621985), (5, 50897588), (7, 36355420), (10, 25448794), (14, 18177710), (20, 12724397), (28, 9088855), (35, 7271084), (70, 3635542), (140, 1817771)]