168307780

素因数分解:

$2^2\times 5^1\times {\mathrm{1873}}^1\times {\mathrm{4493}}^1$

素因数の和:6375

約数の個数: 24

約数和(自身を含む): 353713752

約数和(自身を除く): 185405972

約数列:

[1, 2, 4, 5, 10, 20, 1873, 3746, 4493, 7492, 8986, 9365, 17972, 18730, 22465, 37460, 44930, 89860, 8415389, 16830778, 33661556, 42076945, 84153890, 168307780]

約数ペア:

[(1, 168307780), (2, 84153890), (4, 42076945), (5, 33661556), (10, 16830778), (20, 8415389), (1873, 89860), (3746, 44930), (4493, 37460), (7492, 22465), (8986, 18730), (9365, 17972)]