173830420

素因数分解:

$2^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{21893}}^1$

素因数の和:22299

約数の個数: 24

約数和(自身を含む): 365980104

約数和(自身を除く): 192149684

約数列:

[1, 2, 4, 5, 10, 20, 397, 794, 1588, 1985, 3970, 7940, 21893, 43786, 87572, 109465, 218930, 437860, 8691521, 17383042, 34766084, 43457605, 86915210, 173830420]

約数ペア:

[(1, 173830420), (2, 86915210), (4, 43457605), (5, 34766084), (10, 17383042), (20, 8691521), (397, 437860), (794, 218930), (1588, 109465), (1985, 87572), (3970, 43786), (7940, 21893)]