287996960

素因数分解:

$2^5\times 5^1\times {\mathrm{433}}^1\times {\mathrm{4157}}^1$

素因数の和:4605

約数の個数: 48

約数和(自身を含む): 682128216

約数和(自身を除く): 394131256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 433, 866, 1732, 2165, 3464, 4157, 4330, 6928, 8314, 8660, 13856, 16628, 17320, 20785, 33256, 34640, 41570, 66512, 69280, 83140, 133024, 166280, 332560, 665120, 1799981, 3599962, 7199924, 8999905, 14399848, 17999810, 28799696, 35999620, 57599392, 71999240, 143998480, 287996960]

約数ペア:

[(1, 287996960), (2, 143998480), (4, 71999240), (5, 57599392), (8, 35999620), (10, 28799696), (16, 17999810), (20, 14399848), (32, 8999905), (40, 7199924), (80, 3599962), (160, 1799981), (433, 665120), (866, 332560), (1732, 166280), (2165, 133024), (3464, 83140), (4157, 69280), (4330, 66512), (6928, 41570), (8314, 34640), (8660, 33256), (13856, 20785), (16628, 17320)]