380728540

素因数分解:

$2^2\times 5^1\times {\mathrm{419}}^1\times {\mathrm{45433}}^1$

素因数の和:45861

約数の個数: 24

約数和(自身を含む): 801455760

約数和(自身を除く): 420727220

約数列:

[1, 2, 4, 5, 10, 20, 419, 838, 1676, 2095, 4190, 8380, 45433, 90866, 181732, 227165, 454330, 908660, 19036427, 38072854, 76145708, 95182135, 190364270, 380728540]

約数ペア:

[(1, 380728540), (2, 190364270), (4, 95182135), (5, 76145708), (10, 38072854), (20, 19036427), (419, 908660), (838, 454330), (1676, 227165), (2095, 181732), (4190, 90866), (8380, 45433)]