139844860

素因数分解:

$2^2\times 5^1\times {\mathrm{359}}^1\times {\mathrm{19477}}^1$

素因数の和:19845

約数の個数: 24

約数和(自身を含む): 294507360

約数和(自身を除く): 154662500

約数列:

[1, 2, 4, 5, 10, 20, 359, 718, 1436, 1795, 3590, 7180, 19477, 38954, 77908, 97385, 194770, 389540, 6992243, 13984486, 27968972, 34961215, 69922430, 139844860]

約数ペア:

[(1, 139844860), (2, 69922430), (4, 34961215), (5, 27968972), (10, 13984486), (20, 6992243), (359, 389540), (718, 194770), (1436, 97385), (1795, 77908), (3590, 38954), (7180, 19477)]