207958900

素因数分解:

$2^2\times 5^2\times {\mathrm{241}}^1\times {\mathrm{8629}}^1$

素因数の和:8884

約数の個数: 36

約数和(自身を含む): 453195820

約数和(自身を除く): 245236920

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 241, 482, 964, 1205, 2410, 4820, 6025, 8629, 12050, 17258, 24100, 34516, 43145, 86290, 172580, 215725, 431450, 862900, 2079589, 4159178, 8318356, 10397945, 20795890, 41591780, 51989725, 103979450, 207958900]

約数ペア:

[(1, 207958900), (2, 103979450), (4, 51989725), (5, 41591780), (10, 20795890), (20, 10397945), (25, 8318356), (50, 4159178), (100, 2079589), (241, 862900), (482, 431450), (964, 215725), (1205, 172580), (2410, 86290), (4820, 43145), (6025, 34516), (8629, 24100), (12050, 17258)]