7121900

素因数分解:

$2^2\times 5^2\times {\mathrm{229}}^1\times {\mathrm{311}}^1$

素因数の和:554

約数の個数: 36

約数和(自身を含む): 15571920

約数和(自身を除く): 8450020

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 229, 311, 458, 622, 916, 1145, 1244, 1555, 2290, 3110, 4580, 5725, 6220, 7775, 11450, 15550, 22900, 31100, 71219, 142438, 284876, 356095, 712190, 1424380, 1780475, 3560950, 7121900]

約数ペア:

[(1, 7121900), (2, 3560950), (4, 1780475), (5, 1424380), (10, 712190), (20, 356095), (25, 284876), (50, 142438), (100, 71219), (229, 31100), (311, 22900), (458, 15550), (622, 11450), (916, 7775), (1145, 6220), (1244, 5725), (1555, 4580), (2290, 3110)]