149780227420

素因数分解:

$2^2\times 5^1\times {\mathrm{1289}}^1\times {\mathrm{5809939}}^1$

素因数の和:5811237

約数の個数: 24

約数和(自身を含む): 314782549200

約数和(自身を除く): 165002321780

約数列:

[1, 2, 4, 5, 10, 20, 1289, 2578, 5156, 6445, 12890, 25780, 5809939, 11619878, 23239756, 29049695, 58099390, 116198780, 7489011371, 14978022742, 29956045484, 37445056855, 74890113710, 149780227420]

約数ペア:

[(1, 149780227420), (2, 74890113710), (4, 37445056855), (5, 29956045484), (10, 14978022742), (20, 7489011371), (1289, 116198780), (2578, 58099390), (5156, 29049695), (6445, 23239756), (12890, 11619878), (25780, 5809939)]