197572420

素因数分解:

$2^2\times 5^1\times {\mathrm{619}}^1\times {\mathrm{15959}}^1$

素因数の和:16587

約数の個数: 24

約数和(自身を含む): 415598400

約数和(自身を除く): 218025980

約数列:

[1, 2, 4, 5, 10, 20, 619, 1238, 2476, 3095, 6190, 12380, 15959, 31918, 63836, 79795, 159590, 319180, 9878621, 19757242, 39514484, 49393105, 98786210, 197572420]

約数ペア:

[(1, 197572420), (2, 98786210), (4, 49393105), (5, 39514484), (10, 19757242), (20, 9878621), (619, 319180), (1238, 159590), (2476, 79795), (3095, 63836), (6190, 31918), (12380, 15959)]