209087620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1493483}}^1$

素因数の和:1493499

約数の個数: 24

約数和(自身を含む): 501810624

約数和(自身を除く): 292723004

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1493483, 2986966, 5973932, 7467415, 10454381, 14934830, 20908762, 29869660, 41817524, 52271905, 104543810, 209087620]

約数ペア:

[(1, 209087620), (2, 104543810), (4, 52271905), (5, 41817524), (7, 29869660), (10, 20908762), (14, 14934830), (20, 10454381), (28, 7467415), (35, 5973932), (70, 2986966), (140, 1493483)]