219976420

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{63577}}^1$

素因数の和:63759

約数の個数: 24

約数和(自身を含む): 464628024

約数和(自身を除く): 244651604

約数列:

[1, 2, 4, 5, 10, 20, 173, 346, 692, 865, 1730, 3460, 63577, 127154, 254308, 317885, 635770, 1271540, 10998821, 21997642, 43995284, 54994105, 109988210, 219976420]

約数ペア:

[(1, 219976420), (2, 109988210), (4, 54994105), (5, 43995284), (10, 21997642), (20, 10998821), (173, 1271540), (346, 635770), (692, 317885), (865, 254308), (1730, 127154), (3460, 63577)]