199999300

素因数分解:

$2^2\times 5^2\times {\mathrm{1999993}}^1$

素因数の和:2000007

約数の個数: 18

約数和(自身を含む): 433998698

約数和(自身を除く): 233999398

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 1999993, 3999986, 7999972, 9999965, 19999930, 39999860, 49999825, 99999650, 199999300]

約数ペア:

[(1, 199999300), (2, 99999650), (4, 49999825), (5, 39999860), (10, 19999930), (20, 9999965), (25, 7999972), (50, 3999986), (100, 1999993)]