168186940

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{74419}}^1$

素因数の和:74541

約数の個数: 24

約数和(自身を含む): 356322960

約数和(自身を除く): 188136020

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 74419, 148838, 297676, 372095, 744190, 1488380, 8409347, 16818694, 33637388, 42046735, 84093470, 168186940]

約数ペア:

[(1, 168186940), (2, 84093470), (4, 42046735), (5, 33637388), (10, 16818694), (20, 8409347), (113, 1488380), (226, 744190), (452, 372095), (565, 297676), (1130, 148838), (2260, 74419)]