196376420

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{70639}}^1$

素因数の和:70787

約数の個数: 24

約数和(自身を含む): 415363200

約数和(自身を除く): 218986780

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 70639, 141278, 282556, 353195, 706390, 1412780, 9818821, 19637642, 39275284, 49094105, 98188210, 196376420]

約数ペア:

[(1, 196376420), (2, 98188210), (4, 49094105), (5, 39275284), (10, 19637642), (20, 9818821), (139, 1412780), (278, 706390), (556, 353195), (695, 282556), (1390, 141278), (2780, 70639)]