397301860

素因数分解:

$2^2\times 5^1\times {\mathrm{1307}}^1\times {\mathrm{15199}}^1$

素因数の和:16515

約数の個数: 24

約数和(自身を含む): 835027200

約数和(自身を除く): 437725340

約数列:

[1, 2, 4, 5, 10, 20, 1307, 2614, 5228, 6535, 13070, 15199, 26140, 30398, 60796, 75995, 151990, 303980, 19865093, 39730186, 79460372, 99325465, 198650930, 397301860]

約数ペア:

[(1, 397301860), (2, 198650930), (4, 99325465), (5, 79460372), (10, 39730186), (20, 19865093), (1307, 303980), (2614, 151990), (5228, 75995), (6535, 60796), (13070, 30398), (15199, 26140)]