1871309720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{6683249}}^1$

素因数の和:6683267

約数の個数: 32

約数和(自身を含む): 4811940000

約数和(自身を除く): 2940630280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 6683249, 13366498, 26732996, 33416245, 46782743, 53465992, 66832490, 93565486, 133664980, 187130972, 233913715, 267329960, 374261944, 467827430, 935654860, 1871309720]

約数ペア:

[(1, 1871309720), (2, 935654860), (4, 467827430), (5, 374261944), (7, 267329960), (8, 233913715), (10, 187130972), (14, 133664980), (20, 93565486), (28, 66832490), (35, 53465992), (40, 46782743), (56, 33416245), (70, 26732996), (140, 13366498), (280, 6683249)]