157213220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{413719}}^1$

素因数の和:413747

約数の個数: 24

約数和(自身を含む): 347524800

約数和(自身を除く): 190311580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 413719, 827438, 1654876, 2068595, 4137190, 7860661, 8274380, 15721322, 31442644, 39303305, 78606610, 157213220]

約数ペア:

[(1, 157213220), (2, 78606610), (4, 39303305), (5, 31442644), (10, 15721322), (19, 8274380), (20, 7860661), (38, 4137190), (76, 2068595), (95, 1654876), (190, 827438), (380, 413719)]