2145100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{1129}}^1$

素因数の和:1162

約数の個数: 36

約数和(自身を含む): 4904200

約数和(自身を除く): 2759100

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1129, 1900, 2258, 4516, 5645, 11290, 21451, 22580, 28225, 42902, 56450, 85804, 107255, 112900, 214510, 429020, 536275, 1072550, 2145100]

約数ペア:

[(1, 2145100), (2, 1072550), (4, 536275), (5, 429020), (10, 214510), (19, 112900), (20, 107255), (25, 85804), (38, 56450), (50, 42902), (76, 28225), (95, 22580), (100, 21451), (190, 11290), (380, 5645), (475, 4516), (950, 2258), (1129, 1900)]