489339940

素因数分解:

$2^2\times 5^1\times {\mathrm{757}}^1\times {\mathrm{32321}}^1$

素因数の和:33087

約数の個数: 24

約数和(自身を含む): 1029003192

約数和(自身を除く): 539663252

約数列:

[1, 2, 4, 5, 10, 20, 757, 1514, 3028, 3785, 7570, 15140, 32321, 64642, 129284, 161605, 323210, 646420, 24466997, 48933994, 97867988, 122334985, 244669970, 489339940]

約数ペア:

[(1, 489339940), (2, 244669970), (4, 122334985), (5, 97867988), (10, 48933994), (20, 24466997), (757, 646420), (1514, 323210), (3028, 161605), (3785, 129284), (7570, 64642), (15140, 32321)]