272852020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{557}}^1\times {\mathrm{3499}}^1$

素因数の和:4072

約数の個数: 48

約数和(自身を含む): 656208000

約数和(自身を除く): 383355980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 557, 1114, 2228, 2785, 3499, 3899, 5570, 6998, 7798, 11140, 13996, 15596, 17495, 19495, 24493, 34990, 38990, 48986, 69980, 77980, 97972, 122465, 244930, 489860, 1948943, 3897886, 7795772, 9744715, 13642601, 19489430, 27285202, 38978860, 54570404, 68213005, 136426010, 272852020]

約数ペア:

[(1, 272852020), (2, 136426010), (4, 68213005), (5, 54570404), (7, 38978860), (10, 27285202), (14, 19489430), (20, 13642601), (28, 9744715), (35, 7795772), (70, 3897886), (140, 1948943), (557, 489860), (1114, 244930), (2228, 122465), (2785, 97972), (3499, 77980), (3899, 69980), (5570, 48986), (6998, 38990), (7798, 34990), (11140, 24493), (13996, 19495), (15596, 17495)]