4219900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{2221}}^1$

素因数の和:2254

約数の個数: 36

約数和(自身を含む): 9643480

約数和(自身を除く): 5423580

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1900, 2221, 4442, 8884, 11105, 22210, 42199, 44420, 55525, 84398, 111050, 168796, 210995, 222100, 421990, 843980, 1054975, 2109950, 4219900]

約数ペア:

[(1, 4219900), (2, 2109950), (4, 1054975), (5, 843980), (10, 421990), (19, 222100), (20, 210995), (25, 168796), (38, 111050), (50, 84398), (76, 55525), (95, 44420), (100, 42199), (190, 22210), (380, 11105), (475, 8884), (950, 4442), (1900, 2221)]