1916140

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{643}}^1$

素因数の和:801

約数の個数: 24

約数和(自身を含む): 4057200

約数和(自身を除く): 2141060

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 643, 745, 1286, 1490, 2572, 2980, 3215, 6430, 12860, 95807, 191614, 383228, 479035, 958070, 1916140]

約数ペア:

[(1, 1916140), (2, 958070), (4, 479035), (5, 383228), (10, 191614), (20, 95807), (149, 12860), (298, 6430), (596, 3215), (643, 2980), (745, 2572), (1286, 1490)]