405325100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{213329}}^1$

素因数の和:213362

約数の個数: 36

約数和(自身を含む): 925852200

約数和(自身を除く): 520527100

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1900, 213329, 426658, 853316, 1066645, 2133290, 4053251, 4266580, 5333225, 8106502, 10666450, 16213004, 20266255, 21332900, 40532510, 81065020, 101331275, 202662550, 405325100]

約数ペア:

[(1, 405325100), (2, 202662550), (4, 101331275), (5, 81065020), (10, 40532510), (19, 21332900), (20, 20266255), (25, 16213004), (38, 10666450), (50, 8106502), (76, 5333225), (95, 4266580), (100, 4053251), (190, 2133290), (380, 1066645), (475, 853316), (950, 426658), (1900, 213329)]