2678140

素因数分解:

$2^2\times 5^1\times {\mathrm{359}}^1\times {\mathrm{373}}^1$

素因数の和:741

約数の個数: 24

約数和(自身を含む): 5654880

約数和(自身を除く): 2976740

約数列:

[1, 2, 4, 5, 10, 20, 359, 373, 718, 746, 1436, 1492, 1795, 1865, 3590, 3730, 7180, 7460, 133907, 267814, 535628, 669535, 1339070, 2678140]

約数ペア:

[(1, 2678140), (2, 1339070), (4, 669535), (5, 535628), (10, 267814), (20, 133907), (359, 7460), (373, 7180), (718, 3730), (746, 3590), (1436, 1865), (1492, 1795)]