27779900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{14621}}^1$

素因数の和:14654

約数の個数: 36

約数和(自身を含む): 63459480

約数和(自身を除く): 35679580

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1900, 14621, 29242, 58484, 73105, 146210, 277799, 292420, 365525, 555598, 731050, 1111196, 1388995, 1462100, 2777990, 5555980, 6944975, 13889950, 27779900]

約数ペア:

[(1, 27779900), (2, 13889950), (4, 6944975), (5, 5555980), (10, 2777990), (19, 1462100), (20, 1388995), (25, 1111196), (38, 731050), (50, 555598), (76, 365525), (95, 292420), (100, 277799), (190, 146210), (380, 73105), (475, 58484), (950, 29242), (1900, 14621)]